Paratungstate-tupe polyoxometalate: Synthesis, crystal structure and electrochemical studies toward a possible storage system

Shalini Sanjay Mishra, Debu Jana and Samar K Das*

J. Chem. Sci. 2026 (just accepted)

A Co-tris coordination complex as a stable homogeneous electrocatalyst for aqueous water oxidation

Debu Jana, Kalipada Paul and Samar K Das*

Dalton Trans., 2026, 55, 2718-2727

A cesium-cobalt-decavanadate polyoxometalate as a homogeneous electrocatalyst for hydrogen evolution in water

Debu Jana, Kalipada Paul and Samar K Das*

Inorg. Chim. Acta, 2026, 592, article no. 123011

A 3D architecture of paratungstate-B polyoxometalate coordinating Mn(II)-aqua-complex: Synthesis, crystal structure, and electrocatalytic hydrogen evolution reaction

Shalini Sanjay Mishra, Debu Jana, and Samar K Das*

Polyhedron, 2026, 283, article no. 117851.

Mn(II)-aqua-decavanadate: a bifunctional homogeneous electrocatalyst for hydrogen evolution- and oxygen reduction-reaction,

Debu Jana, Rachapudi Phebe Florance, Rabin Kumar Poria and Samar K Das*

Inorg. Chem. Front., 2025, 12, 8363-8374

Internal Electric Field Developed at the Interface Between CoNiP Core and ZnIn2S4 Shell Leading to Efficient Charge Separation for Photochemical Hydrogen Evolution

Amit Gautam, Allepuram Rameshwari and Samar K Das*

ACS Applied Nano Materials, 2025, 8, 17886−17899

Homogeneous Electrocatalytic Oxygen Reduction Reaction by a Versatile Polyoxometalate in an Aqueous Solution

Debu Jana, Shalini Sanjay Mishra, Manaswitha Todupunuri and Samar K Das*

ChemCatChem, 2025, 17, e00266

Effective Complexation of Tris- Ligand with CoCl2·6H2O in an Aqueous Solution: Suppressing Electrochemical Formation of CoOx

Debu Jana, Manaswitha Todupunuri, Mohd Shavez and Samar K Das*

Inorg. Chem., 2025, 64, 7841–7845

A Giant Polyoxometalate Acting as Nanofiller into a Polymer to Fabricate Proton Exchange Membranes Exhibiting Super Proton Conductivity

Hema Kumari Kolli, Anupam Das, Debu Jana, Ritu Saraswat, Tushar Jana* and Samar K Das*

Inorg. Chem., 2025, 64, 7148–7163

Giant Polyoxometalate {W72Fe30} into Pure Inorganic Gel and Xerogel: Rheology and Proton Conduction

Hema Kumari Kolli, Debu Jana, M. Praveen Kumar and Samar K Das*

ChemPlusChem, 2025, 90, e202500084

Fabricating MOF–GO Composites by Modulating Graphene Oxide to Achieve Superprotonic Conductivity

Parvathy M. Unnikrishnan, Gopika Premanand and Samar K. Das*

Inorg. Chem., 2025, 64, 3506–3517

Giant {Mo132}-Polyoxometalate Isolated with Diverse Organic Cations: A Systematic Proton Conductivity Study

Parvathy M. Unnikrishnan, Olivia Basu, Rajendar Nasani and Samar K. Das*

Dalton Trans., 2025, 54, 2166–2176

Polyoxometalate Driven Assembly of Inorganic–Organic Hybrid Materials: Proton Conductivity Studies

Parvathy M. Unnikrishnan, Gopika Premanand and Samar K. Das*

J. Chem. Sci., 2025, 137, Article No. 13

Oxidation of Ni(H2O)6@MoO3 to Ni2O3/MoO3 Composites by Aerial Annealing: Electrocatalytic Hydrogen Evolution

Gopika Premanand, Debu Jana and Samar K. Das*

Chem. Asian J., 2024, e202401172

A Proton Conductive Co(II)-Polyoxometalate Acts as a Precatalyst for Efficient Electrocatalytic Water Oxidation

Debu Jana, Gopika Premanand, Devika Chandran, Bharat Kumar Tripuramallu and Samar K. Das*

Inorg. Chem., 2024, 63, 18797–18808

Synergy of {Co(H2O)6}2+ with a Polyoxometalate Leads to Aqueous Homogeneous Hydrogen Evolution: Experiments and Computations

Debu Jana, Mohammed Alamgir and Samar K. Das*

Inorg. Chem., 2024, 63, 13959–13971

Hexagonal Mo-Bronze: Single Crystal Structures, Electrocatalytic Hydrogen Evolution and Proton Conductivity

Gopika Premanand, Debu Jana, Parvathy M. Unnikrishnan and Samar K. Das*

Inorg. Chem., 2024, 63, 10671–10681

Intercalating Potassium-aqua Complex Cation into α-MoO3 Layer Without Reducing Molybdenum: A Potential Storage System

Debu Jana, Shalini Sanjay Mishra and Samar K. Das*

Chem. Commun., 2024, 60, 5439–5442

Grafting of Polymer Brushes on MOF Surface to Achieve Proton Conducting Membranes

Nilanjan Mukherjee, Anupam Das, Subhabrata Mukhopadhyay, Samar K. Das* and Tushar Jana*

ACS Appl. Polym. Mater., 2024, 6, 846–858

Exploring Proton Conductivity Studies of a Copper Based Hydroxylated Polyoxometalate

Athira Ravi, Ratri Biswas, Sarbani Das and Samar K. Das*

J. Chem. Sci., 2024, 136, Article No. 3

Electrocatalytic Hydrogen Evolution by a Uranium(VI) Polyoxometalate: An Environmental Toxin for Sustainable Energy Generation

Sateesh Mulkapuri, Asha Siddikha, Athira Ravi, Pinki Saha, Avulu Vinod Kumar, Sathyanarayana Boodida, Muga Vithal and Samar K. Das*

Inorg. Chem., 2023, 62, 19664–19676

Designing of Flexible Metal–Organic Framework-based Super-protonic Conductors and their Fabrication with a Polymer into Proton Exchange Membranes

Olivia Basu, Anupam Das, Tushar Jana* and Samar K. Das*

ACS Appl. Energy Mater., 2023, 6, 9092–9107

Hydroxylated Polyoxometalate with Cu(II)- and Cu(I)-Aqua Complexes: A Bifunctional Catalyst for Electrocatalytic Water Splitting at Neutral pH

Athira Ravi, Sateesh Mulkapuri and Samar K. Das*

Inorg. Chem., 2023, 62, 12650–12663

Co(OH)2 Intercalated in MoO3 by Molecular Electrodeposition Resulting in a Conductive Material: A Molybdenum Bronze for Efficient Electrocatalytic Hydrogen Evolution

Debu Jana, Hema Kumari Kolli and Samar K. Das*

Chem. Mater., 2023, 35, 3083–3094

Diverse Coordination Architectures based on a Flexible Multidentate Carboxylate Ligand and N-donor Linkers: Synthesis, Structure, Supramolecular Chemistry and Related Properties

Mukara RamaThulasamma, Suresh Bommakanti and Samar K. Das*

Polyhedron, 2023, 230, Article No. 116216

A Rearrangement Reaction to Yield NH4+ Ion Driven by Polyoxometalate Formation

N. Tanmaya Kumar, Shivaiah Vaddypally and Samar K. Das*

ACS Omega, 2022, 7, 31474–31481

Barrel-Shaped Polyoxometalates Exhibiting Electrocatalytic Water Reduction at Neutral pH: A Synergy Effect

Sateesh Mulkapuri, Athira Ravi, Rajendar Nasani, Sathish Kumar Kurapati and Samar K. Das*

Inorg. Chem., 2022, 61, 13868–13882

Defect Engineering in a Metal–Organic Framework System to Achieve Super-Protonic Conductivity

Olivia Basu, Subhabrata Mukhopadhyay, Subhajit Laha and Samar K. Das*

Chem. Mater., 2022, 34, 6734–6743

WVI–OH Functionality on Polyoxometalates for Water Reduction to Molecular Hydrogen

Sateesh Mulkapuri, Athira Ravi, Subhabrata Mukhopadhyay, Sathish Kumar Kurapati, Vinaya Siby and Samar K. Das*

Inorg. Chem. Front., 2022, 9, 3566–3577

Cobalt Formate, a Functional MOF: Electrocatalytic Water Oxidation

Athira Ravi, Rajendar Nasani and Samar K. Das*

Journal of Molecular and Engineering Materials, 2022, 10, 2240002

Fabricating a Functionalized Polyoxometalate with ZIF-8: A Composite Material for Water Oxidation in a Wide pH Range

Sateesh Mulkapuri, Athira Ravi and Samar K. Das*

Chem. Mater., 2022, 34, 3624–3636

Coordination Polymers as Heterogeneous Catalysts for Water Splitting and CO₂ Fixation

Kumar Biradha*, Samar K. Das and Xian-He Bu

Cryst. Growth Des., 2022, 22, 2043–2045

Single Crystals of α-MoO₃ Intercalating {Ni(H₂O)₆}²⁺ and Electrocatalytic Water Reduction: Towards a Class of Molybdenum Bronzes

Debu Jana, Hema Kumari Kolli and Samar K. Das*

Inorg. Chem., 2022, 61, 3816–3820

A “Two-in-One” Crystal Having Two Different Dimensionality in the Extended Structures: A Series of Cadmium(II) Coordination Polymers from V-Shaped Organic Linkers

Mukara Ramathulasamma, Suresh Bommakanti and Samar K. Das*

Polyhedron, 2021, 210, Article No. 115508

Nano-blackberries of {W72Fe33} and {Mo72Fe30}: Electrocatalytic Water Reduction

Hema Kumari Kolli, Debu Jana and Samar K. Das*

Inorg. Chem., 2021, 60, 15569–15582

Tuning Electrochemical and Electrocatalytic ORR Performance of C₆₀ by its Encapsulation in ZIF-8: A Solid-State Analogue of Dilute Fullerene Solution

Olivia Basu, Subhabrata Mukhopadhyay, Avik De, Anupam Das and Samar K. Das*

Materials Chemistry Frontiers, 2021, 5, 7654–7665

Efficient Homogeneous Electrocatalytic Hydrogen Evolution Using a Ni-Containing Polyoxometalate Catalyst

Debu Jana, Hema Kumari Kolli, Subhashree Sabnam and Samar K. Das*

Chem. Commun., 2021, 57, 9910–9913

Devising a Polyoxometalate-Based Functional Material as an Efficient Electrocatalyst for Hydrogen Evolution Reaction

Chandani Singh, Atanu Haldar, Olivia Basu and Samar K. Das*

Inorg. Chem., 2021, 60, 10302–10314

Polyoxometalate-Based Hybrid Compound as a Pre-catalyst for Electrocatalytic Water Reduction at Neutral pH

Chandani Singh and Samar K. Das*

J. Chem. Sci., 2021, 133, 81

Carbazole-Based π-Conjugated 2,2′-Bipyridines, a New Class of Organic Chromophores: Photophysical, Ultrafast Nonlinear Optical and Computational Studies

Ramakrishna Bodapati, Gaurav Ranjan Dey, Gunjan R. Ramteke, Katturi Naga Krishnakanth, S. Venugopal Rao, K. V. Jovan Jose* and Samar K. Das*

Dyes and Pigments, 2021, 185, Article No. 108932

ZIF-8 MOF Encapsulated Co-porphyrin, an Efficient Electrocatalyst for Water Oxidation in a Wide pH Range: Works Better at Neutral pH

Subhabrata Mukhopadhyay, Olivia Basu and Samar K. Das*

ChemCatChem, 2020, 12, 5430–5438

Evolution of Metal Organic Frameworks as Electrocatalysts for Water Oxidation

Subhabrata Mukhopadhyay, Olivia Basu, Rajendar Nasani and Samar K. Das*

Chem. Commun., 2020, 56, 11735–11748 (Feature Article)

Fabricating a MOF Material with Polybenzimidazole into an Efficient Proton Exchange Membrane

Subhabrata Mukhopadhyay, Anupam Das, Tushar Jana and Samar K. Das*

ACS Appl. Energy Mater., 2020, 3, 7964–7977

Serendipitous Isolation of Triazinone Based Air-Stable Organic Radical: Synthesis, Crystal Structure and Computation

Vedichi Madhu, Arun Kumar Kanakati and Samar K. Das*

New J. Chem., 2020, 44, 10781–10785

A Polyoxometalate Supported Copper Dimeric Complex: Synthesis, Structure and Electrocatalysis

N. Tanmaya Kumar, Umashish Bhoi, Pragya Naulakha and Samar K. Das*

Inorg. Chim. Acta, 2020, 506, Article No. 119554

Supramolecular Inorganic Chemistry Leading to Functional Materials

Olivia Basu and Samar K. Das*

J. Chem. Sci., 2020, 132, 46

Efficient Electrocatalytic Water Oxidation by Fe(salen)–MOF Composite: Effect of Modified Microenvironment

Subhabrata Mukhopadhyay, Olivia Basu, Aranya Kar and Samar K. Das*

Inorg. Chem., 2020, 59, 472–483

A Fully Reduced {V18O42} Host and VO4³⁻, Cl⁻ as Guest Anions: Synthesis, Characterization and Proton Conductivity

Sateesh Mulkapuri, Sathish Kumar Kurapati, Subhabrata Mukhopadhyay and Samar K. Das*

New J. Chem., 2019, 43, 17670–17679

Anderson Polyoxometalate Supported Cu(H₂O)(phen) Complex as an Electrocatalyst for Hydrogen Evolution Reaction in Neutral Medium

Chandani Singh and Samar K. Das*

Polyhedron, 2019, 172, 80–86

A Two-Dimensional Metal–Organic Framework Formed from a Cobalt(II) Ion and a Bifunctional Ligand Exhibiting Thermochromic Behaviour

Suresh Bommakanti and Samar K. Das*

Frontiers in Materials, 2019, 6, Article No. 170

Mononuclear Ru(II) Complexes of an Arene and Asymmetrically Substituted 2,2′-Bipyridine Ligands: Photophysics, Computation and NLO Properties

Ramakrishna Bodapati, Chakradhar Sahoo, Mahesh Guduri and Samar K. Das*

Inorg. Chem., 2019, 58, 11470–11479

Carbonate Encapsulation from Dissolved Atmospheric CO₂ into a Polyoxovanadate Capsule

Sateesh Mulkapuri, Sathish Kumar Kurapati and Samar K. Das*

Dalton Trans., 2019, 48, 8773–8781

Designing of UiO-66 Based Super Protonic Conductor with the Highest MOF Based Proton Conductivity

Subhabrata Mukhopadhyay, Joyashish Debgupta, Chandani Singh, Rudraditya Sarkar, Olivia Basu and Samar K. Das*

ACS Appl. Mater. Interfaces, 2019, 11, 13423–13432

A Quantitative Transmetalation with a Metal–Organic Framework Compound in a Solid–Liquid Interface Reaction: Synthesis, Structure, Kinetics, Spectroscopy and Electrochemistry

Bommakanti Suresh and Samar K. Das*

CrystEngComm, 2019, 21, 2438–2446

Functional Coordination Polymers from a Bifunctional Ligand: A Quantitative Transmetalation via Single Crystal to Single Crystal Transformation

Bommakanti Suresh, Uppari Venkataramudu and Samar K. Das*

Cryst. Growth Des., 2019, 19, 1155–1166

Coordination Polymers from Dithiolato Complexes and Alkali Metal Cations: How a Crystallizing and Coordinating Solvent Influences the Dimensionality

Ramababu Bolligarla, Gummadi Durgaprasad and Samar K. Das*

Inorg. Chim. Acta, 2019, 486, 412–424

A Versatile Polyoxovanadate in Diverse Cation Matrices: A Supramolecular Perspective

A. Srinivasa Rao and Samar K. Das*

Frontiers in Chemistry, Inorganic Chemistry, 2018, 6, 469

Metalla-macrocycles from a Library of Flexible Linkers: II Cobalt(II) Coordination Polymers and a Supramolecular Pipe

Paduri Manam, M. Ramathulasamma, B. Suresh and Samar K. Das*

Polyhedron, 2018, 151, 394–400

Cobalt-Based Functional Inorganic Materials: Electrocatalytic Water Oxidation

Olivia Basu, Subhabrata Mukhopadhyay and Samar K. Das*

J. Chem. Sci., 2018, 130, Article No. 93

Polyoxometalate Supported Bis(bpy)mono(aqua)Ni(II) Coordination Complex: An Efficient Electrocatalyst for Water Oxidation

Chandani Singh, Subhabrata Mukhopadhyay and Samar K. Das*

Inorg. Chem., 2018, 57, 6479–6490

Functional Molecular System of Bis(pyrazolyl)pyridine Derivatives: Photo-physics, Spectroscopy, Computation and Ion Sensing

I. Krishna Naik, B. Ramakrishna, Rudraditya Sarkar, Navendu Mondal and Samar K. Das*

ACS Omega, 2018, 3, 3022–3035

A Gas–Liquid Interface Synthesis in Polyoxometalate Chemistry: Potential Bag Filter for Volatile Organic Amines

V. Shivaiah, N. Tanmaya Kumar and Samar K. Das*

J. Chem. Sci., 2018, 130, Article No. 37

A Keggin Polyoxometalate Shows Water Oxidation Activity at Neutral pH: POM@ZIF-8, an Efficient and Robust Electrocatalyst

Subhabrata Mukhopadhyay, Joyashish Debgupta, Chandani Singh, Aranya Kar and Samar K. Das*

Angew. Chem. Int. Ed., 2018, 57, 1918–1923

Ionic Crystals Consisting of Trinuclear Macrocations and Polyoxometalate Anions Exhibiting Single Crystal to Single Crystal Transformation: Breathing of Crystals

T. Arumuganathan, Asha Siddikha and Samar K. Das*

J. Chem. Sci., 2017, 129, 1121–1142

Organic Free Decavanadate Based Materials: Inorganic Linkers to Obtain Extended Structures

Sridevi Verma and Samar K. Das*

Journal of Molecular Structure, 2017, 1146, 23–31

Electrochemical Water Oxidation Catalyzed by an “in situ” Generated α-Co(OH)₂ Film on Zeolite-Y Surface

Sujanan Bose, Joyashish Debgupta, Rani M. Ramsundar and Samar K. Das*

Chemistry – A European Journal, 2017, 23, 8051–8057

An Organic Receptor Isolated in an Unusual Intermediate Conformation: Computation, Crystallography and Hirshfeld Surface Analysis

Indravath Krishna Naik, Rudraditya Sarkar, Vedichi Madhu, Ramababu Bolligarla, Ravada Kishore and Samar Kumar Das*

J. Phys. Chem. A, 2017, 121, 3274–3286

A Functional Zn(II)-Metallacycle Formed from an N-Heterocyclic Carbene Precursor: A Molecular Sensor for Selective Recognition of Fe³⁺ and IO₄⁻ Ions and Spectroscopy

Girjesh Kumar, Ramu Guda, Ahmad Husain, Ramakrishna Bodapati and Samar K. Das*

Inorg. Chem., 2017, 56, 5017–5025

A Planar Anthracene Imidazolium / Anthracene-Benzimidazolium Cation System in a Spherical Polyoxometalate Matrix: Synthesis, Crystallography and Spectroscopy

Tanmay Chatterjee, N. Tanmaya Kumar and Samar K. Das*

Polyhedron, 2017, 127, 68–83

Coordination Frameworks/Networks Containing Compounds as Catalysts

Girjesh Kumar and Samar K. Das*

Inorganic Chemistry Frontiers, 2017, 4, 202–233

Isolation of Blackberry-Shaped Nanoparticles of Giant {Mo72Fe30} Cluster and Their Transformation to Crystalline Nano-Ferric Molybdate

Raju Mekala, Sabbani Supriya and Samar K. Das*

Inorg. Chem., 2016, 55, 12504–12507

A {Cu14} Cluster Supported on a Metal-Dithiolato Complex Anion Causes Its Conformational Change Leading to a Doubly-Bridged Curved Coordination Polymer and Its Reactivity with a Diamine Resulting in the Emergence of a [M(diamine)(dithiolato)] System

Vedichi Madhu, Ramababu Bolligarla, Indravath K. Naik, Raju Mekala and Samar K. Das*

Eur. J. Inorg. Chem., 2016, 4257

Cyclometalated Iridium(III) Complexes Containing 4,4′π-Conjugated 2,2′-Bipyridine Derivatives as the Ancillary Ligands: Synthesis, Photophysics and Computational Studies

Monina Samanta, Tanmay Chatterjee, Ramakrishna Bodapati, Katturi Krishnakanth, Syed Hamad Rao Venugopal and Samar K. Das*

Inorg. Chem., 2016, 55, 3530

A Mononuclear Co(II) Coordination Complex Locked in a Confined Space Acting as an Electrochemical Water Oxidation Catalyst: A Ship in a Bottle Approach

Paulami Manna, Joyashish Debgupta, Suranjana Bose and Samar K. Das*

Angew. Chem. Int. Ed., 2016, 55, 2425

Asymmetrically Substituted and π-Conjugated 2,2′-Bipyridine Derivatives: Synthesis, Spectroscopy, Computation and Crystallography

Ramakrishna Bodapati, Monima Sarma, Arunkumar Kanakati and Samar K. Das*

J. Org. Chem., 2015, 80, 12482

Nickel(III)-bis(quinoxaline-dithiolate) Complexes, [Bu₄N][NiIII(6,7-dqt)₂] and [PPh₄][NiIII(ph-6,7-dqt)₂]·CHCl₃ (6,7-dqt = quinoxaline-6,7-dithiolate, ph = phenyl): Synthesis, Spectroscopy, Electrochemistry, DFT Calculations, Crystal Structures and Hirshfeld Surface Analysis

Indravath K. Naik, Rudraditya Sarkar and Samar K. Das*

Eur. J. Inorg. Chem., 2015, 5523

Significant Role of Supramolecular Interactions on Conformational Modulation of Flexible Organic Cation Receptors in a Metal-bis(dithiolato) Coordination Complex Matrix

Ravada Kishore, Bharat Kumar Tripuramallu and Samar K. Das*

Cryst. Growth Des., 2015, 15, 4459

Reversible Solid-to-Solid Transformation in a Crystalline State Gas–Solid Reaction at Ambient Condition: Fe–N(pyridine) Bond Formation at the Expense of Fe–O₂ Bond Breaking and Vice Versa

Sabbani Supriya and Samar K. Das*

CrystEngComm, 2015, 17, 8850

Mechanical Motion in the Solid State and Molecular Recognition: Reversible Cis–Trans Transformation of an Organic Receptor in a Solid–Liquid Crystalline State Reaction Triggered by Anion Exchange

Vedichi Madhu, Sabbani Supriya, Kishore Ravada, Indravath K. Naik and Samar K. Das*

CrystEngComm, 2015, 17, 3219

A Perceptive Approach in Assessing Rigidity versus Flexibility in the Construction of Diverse Metal–Organic Coordination Networks: Synthesis, Structure and Magnetism

Paulami Manna and Samar K. Das*

Cryst. Growth Des., 2015, 15, 1407

Modeling the Active Site of [FeFe]-Hydrogenase: Electro-catalytic Hydrogen Evolution from Acetic Acid Catalysed by [Fe₂(μ-CO)₆] and [Fe₂(μ-CO)₅(PPh₃)] (pyrazine-2,3-dithiolate, quinoxaline-2,3-dithiolate and pyrido[2,3-b]pyrazine-2,3-dithiolate)

Gummadi Durgaprasad and Samar K. Das*

Journal of Chemical Sciences, 2015, 127, 295

Synthesis, Characterization and Magnetism of Metal–Organic Compounds: Role of Positions of the Coordinating Groups of a Meso-flexible Ligand in Placing Anisotropy to Exhibit Spin-Canting Behaviour

Paulami Manna, Bharat Kumar Tripuramallu, Suresh Bommakanti and Samar K. Das*

Dalton Trans., 2015, 44, 2852

Polyoxometalate Coordinated Transition Metal Complexes as Catalysts: Oxidation of Styrene to Benzaldehyde/Benzoic Acid

Srinivas Rao Amanchi, Anjali Patel and Samar K. Das*

Journal of Chemical Sciences, 2014, 126, 1641

Coordination of Lanthanide Cation to an Anderson-Type Polyoxometalate Anion Leads to Isomorphous Metal-Oxide Based One-Dimensional Inorganic Solids: Synthesis, Crystal Structure and Spectroscopy

Shivaiah Vaddypally, Tanmay Chatterjee and Samar K. Das*

Journal of Chemical Sciences, 2014, 126, 1525

Supramolecular Interactions Mediated Conformational Modulation of Flexible Linker Leading to the Isolation of a Metallo-Macrocycle in a Polyoxometalate Matrix: Hirshfeld Surfaces and 2D Fingerprint Plots

Bharat Kumar Tripuramallu, Paulami Manna and Samar K. Das*

CrystEngComm, 2014, 16, 10300

5-Hydroxy-2-nitrobenzaldehyde Thiosemicarbazone (HNBATSC)

M. Sivasankar Reddy*, Y. Sarala, M. Jagadeesh, Samar K. Das and A. Varada Reddy

Acta Crystallographica E, 2014, 70, o846

Decavanadate-Based Discrete Compound and Coordination Polymer: Synthesis, Crystal Structure, Spectroscopy and Nano-Materials

Sridevi Verma, Bharat Kumar Tripuramallu and Samar K. Das*

Polyhedron, 2014, 81, 147

Diverse Supramolecular Architectures Having Well-Defined Void Spaces Formed from a Pseudorotaxane Cation: Influential Role of Metal Dithiolato Complex Anions

Vedichi Madhu and Samar K. Das*

Cryst. Growth Des., 2014, 14, 2343

Structural Library of Coordination Polymers Based on Flexible Linkers Exploiting the Role of Linker Coordination Angle: Synthesis, Structural Characterization and Magnetic Properties

Bharat Kumar Tripuramallu, Paulami Manna and Samar K. Das*

CrystEngComm, 2014, 16, 4816

Synthesis and Structural Characterization of Lindqvist Type Mixed-Metal Cluster Anion [V₂W₄O₁₉]⁴⁻ in Discrete and Coordination Polymer Compounds

Sridevi Verma, A. Srinivasa Rao and Samar K. Das*

J. Mol. Struct., 2014, 1062, 53

Influential Role of Geometrical Disparity of Linker and Metal Ionic Radii in Elucidating the Structural Diversity of Coordination Polymers Based on Angular Di-Carboxylate and Bis-Pyridyl Ligands

Paulami Manna, Bharat Kumar Tripuramallu and Samar K. Das*

Cryst. Growth Des., 2014, 14, 278

Synthesis, Structural Characterization and Properties of New N-Heterocyclic Carbene Ag(I) Complexes

Kishore Ravada and Samar K. Das*

J. Mol. Struct., 2013, 1054, 328

Fate of a Giant {Mo72Fe30} Type Polyoxometalate Cluster in an Aqueous Solution at Higher Temperature: Understanding Related Keggin-Type Chemistry from Molecule to Material

Raju Mekala, Sabbani Supriya and Samar K. Das*

Inorg. Chem., 2013, 52, 9708

Hydrothermal Synthesis and Structural Characterization of Metal Organophosphonates Oxide Materials: Role of Metal-Oxo Clusters in the Self-Assembly of Hybrid Phosphonate Architectures

Bharat Kumar Tripuramallu and Samar K. Das*

Cryst. Growth Des., 2013, 13, 2426

Spectral, Thermal, Structural, Optical and Antimicrobial Activity Studies on 2-Methylimidazolinium Picrate: An Organic Charge-Transfer Complex

T. Thangabalu, A. Sethurajan, G. Amirthaganesan and Samar K. Das*

J. Mol. Struct., 2013, 1045, 112

Reversible Morphological Transition between Nano-Rods to Micro-Flowers through Micro-Hexagonal Crystals in a Sonochemical Synthesis Based on a Polyoxovanadate Compound

Sridevi Verma, Sabbani Supriya and Samar K. Das*

Inorg. Chem. Commun., 2013, 35, 54

Coordination and Supramolecular Aspects of the Metal Complexes of N-Salicylbenzyl Alcohol Schiff Base Ligands: Towards Understanding the Roles of Weak Interactions in Asymmetric Catalysis

Chakradhar Pradeep and Samar K. Das*

Coord. Chem. Rev., 2013, 257, 1699

Spectral, Crystal Structure, Thermal and Antimicrobial Characterization of an Organic Charge-Transfer Complex: 3,5-Dimethylpyrazolinium Picrate

T. Thenabala, G. Amirthaganesan, M. Dhandapani and Samar K. Das*

J. Mol. Struct., 2013, 1045, 483

N-Heterocyclic Based New Nickel-Bis(dithiolene) Complexes: Synthesis, Characterization and Properties

Kishore Ravada and Samar K. Das*

Polyhedron, 2013, 50, 512

Induction of Apoptosis in A431 Skin Cancer Cells by Citrus Quandrangulus Linn Stem Extract by Altering Bax/Bcl-2 Ratio, Release of Cytochrome-c from Mitochondria and PARP Cleavage

Arti Bhujade, Samar K. Das and M. B. Patil

Food & Function, 2013, 4, 388

Influence of Diphenyl Spacer Appended to the Flexible Phosphonate Arms in Modulating the Dimensionality of the Coordination Polymers: Synthesis, Structural Chemistry and Magnetic Properties

Bharat Kumar Tripuramallu and Samar K. Das*

J. Solid State Chem., 2013, 197, 499

Influence of the Substituents on the Electronic and Electrochemical Properties of a New Square-Planar Nickel-Bis(quinoxaline-6,7-dithiolate) System: Synthesis, Spectroscopy, Electrochemistry, Crystallography and Theoretical Investigation

Ramababu Bolligarla, Samala Nagarasara Reddy, Gummadi Durgaprasad, Vadagandla Sreenivasulu and Samar K. Das*

Inorganic Chemistry, 2013, 52, 66

Synthesis, Structural, Thermal and Nonlinear Optical Characterization of Benzotriazolinium Picrate Crystals

T. Thenabala, G. Amirthaganesan, M. Dhandapani and Samar K. Das*

Optik, 2013, 124, 1966

Mechanistic Aspects of the Formation of Copper Bridged by Phosphonic Acid and Extending Its Dimensionality by Organic and Inorganic Linkers: Synthesis, Structural Characterization, Magnetic Properties and Theoretical Studies

Bharat Kumar Tripuramallu, Sandip Mukherjee and Samar K. Das*

Cryst. Growth Des., 2012, 12, 5579

Journal of Molecular Crystals and Liquid Crystals

T. Dhanabal, G. Amirthaganesan, M. Dhandapani and Samar K. Das*

Journal of Molecular Crystals and Liquid Crystals, 2012, 560, 112

Synthesis, structure, thermal and NLO characterization of 4-hydroxytetramethylpiperazinium picrate crystals

T. Dhanabal, G. Amirthaganesan, M. Dhandapani and Samar K. Das*

Journal of Chemical Sciences, 2012, 124, 951

Synthesis, Structural Characterization and Magnetic Properties of a New Series of Coordination Polymers: Importance of Steric Hindrance at the Coordination Sphere

Paulami Manna, Bharat Kumar Tripuramallu and Samar K. Das*

Cryst. Growth Des., 2012, 12, 4607

1,2-Enedithiolato Bridged Diiron Carbonyl and Phosphite Complexes in Relevance to the Active Site of [FeFe]-Hydrogenases: Synthesis, Characterization and Electrocatalysis

Gummadi Durgaprasad and Samar K. Das*

Journal of Organometallic Chemistry, 2012, 717, 29

Diversities of Coordination Geometry Around the Cu²⁺ Center in Bis(maleonitriledithiolato)metalate Complex Anions: Geometry Controlled by Varying the Alkyl Chain Length of Imidazolium Cations

Kishore Ravada and Samar K. Das*

Cryst. Growth Des., 2012, 12, 6384

Evaluation of Cissus quandrangularis Extracts as Inhibitor of COX, 5LOX and Proinflammatory Mediators

Arti M. Bhujade, Sitasalmi Nazma, Naresh Kumar, Geetika Gupta, R. Reddanna, Samar K. Das and M. B. Patil*

Journal of Ethnopharmacology, 2012, 141, 998

Sulphur Oxygenation of Ni(dithiolato) by Aerial Oxidation at Ambient Conditions: Synthesis, Crystal Structures and Properties of [Bu₄N][Ni(dmit)₂] and [Bu₄N][Ni(bdt)₂]

Ramababu Bolligarla and Samar K. Das*

Eur. J. Inorg. Chem., 2012, 2933

Ammonium Crown Ether Based Host–Guest Systems: N–H···O Hydrogen Bond Directed Guest Inclusion Featuring NH Donor Functionalities in Angular Geometry

Monima Sarma, Tanmay Chatterjee and Samar K. Das*

RSC Advances, 2012, 2, 3992

Synthesis, Crystal Structure and Electrocatalysis of 1,2-Ene Dithiolate Bridged Diiron Carbonyl Complexes in Relevance to the Active Site of [FeFe]-Hydrogenase

Gummadi Durgaprasad, Ramababu Bolligarla and Samar K. Das*

Journal of Organometallic Chemistry, 2012, 706, 37

Di-Phospha-Pyrone 2,2′-Bipyridine Dyads Exhibiting Large Structure and Environment Sensitive Fluorescence: Synthesis, Photophysics and Computation

Monima Sarma, Tanmay Chatterjee, Susanta Ghosh and Samar K. Das*

J. Org. Chem., 2012, 77, 4328

Continuous Resolution through Helical Association of a Cucurbituril Complex with Lindqvist-Type Isopolyoxanion

Monima Sarma, Tanmay Chatterjee, Hanumanthgiri Vindhya and Samar K. Das*

Dalton Trans., 2012, 41, 1862

Factors Affecting the Conformational Modulation of Flexible Ligands in the Self-Assembly Process of Coordination Polymers: Synthesis, Structural Characterization, Magnetic Properties and Theoretical Studies of [Co(pda)(bpy)]n, [Ni(pda)(bpy)(H₂O)]n, [Cu(pda)(bpy)(H₂O)]n and [Co₂(bpy)₂(pda)₂]·8H₂O

Bharat Kumar Tripuramallu, Paulami Manna, Samala Nagarasara Reddy and Samar K. Das*

Cryst. Growth Des., 2012, 12, 1777

Neutral Coordination Polymers Based on a Metal–Mono(dithiolene) Complex: Synthesis, Crystal Structure and Supramolecular Chemistry of [Zn(dmit)₄], [Zn(dmidt)₄], [Ni(dmit)₂(bpy)] and [Zn(dmit)₂(bpy)] (dmit = 4,5-dimercapto-1,3-dithiole-2-thione)

V. Madhu and Samar K. Das*

Dalton Trans., 2011, 40, 8210

Structurally Tuned Electronic Properties of Naphthalene and Anthracene End-Capped 2,2′-Bipyridine Luminophores: Synthesis and Density Functional Theory

Tanmay Chatterjee, Monima Sarma and Samar K. Das*

Tetrahedron Lett., 2011, 52, 5460

Inorganic–Organic Hybrid Materials Based on {Cu(II)} Tetra-aza Macrocyclic Complexes and Lindqvist Type Polyoxoanions: Synthesis, Characterization and Spectroscopy of [Cu(L)]₂Mo₆O₁₉ and [Cu(L)]₃W₆O₁₉

Monima Sarma, Tanmay Chatterjee and Samar K. Das*

J. Mol. Struct., 2011, 1041

Synthesis and Structural Characterization of Potassium Coordination Polymers Based on a Copper–Bis(dithiolato) Complex: Effect of Coordinating Solvents and Counter Cation

Ramababu Bolligarla, Bharat Kumar Tripuramallu, Vadagandla Sreenivasulu and Samar K. Das*

Inorg. Chem. Commun., 2011, 14, 410

6,7,6′,7′-Tetraphenyl-2,3-di-thio-5,8-diaza-cyclopenta[b]naphthalene: A Crystallographic Section

Ramababu Bolligarla, G. Durgaprasad and Samar K. Das*

Acta Crystallographica Section E, 2011, E67, o2231

Synthesis, Structural Characterization and Electrochemical Studies of [Fe₂(CO)₆] and [Fe₂(CO)₅(PPh₃)] with Pyrazine-2,3-dithiolate and Pyrido[2,3-b]pyrazine-2,3-dithiolate: Toward Modeling the Active Site of [FeFe]-Hydrogenase

G. Durgaprasad, Ramababu Bolligarla and Samar K. Das*

J. Organomet. Chem., 2011, 696, 3077

New Square-Planar Bis(dithiolene) Complexes: Synthesis, Crystallography and Properties of [Bu₄N][M(dmit)₂] (M = Cu, Au)

Ramababu Bolligarla and Samar K. Das*

Aust. J. Chem., 2011, 64, 550

Synthesis of New Intramolecular Charge Transfer A–D–A Triads Containing Tetrathiafulvalene-Fused Units Exhibiting Large Solvent Sensitive Emission Behavior

Ramababu Bolligarla and Samar K. Das*

Tetrahedron Lett., 2011, 52, 4296

Synthesis, Molecular Structure and Supramolecular Chemistry of a New Nickel–Quinoxaline Dithiolate System [Bu₄N][Ni(6,7-dqt)₂]: Comparison of Electronic and Electrochemical Properties

Ramababu Bolligarla and G. Durgaprasad and Samar K. Das*

Inorg. Chem. Commun., 2011, 14, 899

Substitution of Bis(pyrazolyl)methane with Various Organic Precursors as Cations Leading to Inorganic–Organic Supramolecular Adducts: Synthesis, Structural and Properties of [C₅H₉N₂]₄[BiCl₆] and [C₉H₁₃N₂]₂[BiCl₆]

A. Srinivas Rao, Upendra Babu and Samar K. Das*

Inorg. Chim. Acta, 2011, 372, 205

Ion-Pair Charge Transfer Complex with Near-IR Absorption: Synthesis, Crystal Structure and Properties of [Bu₂Cu(mnt)₂](H₂O)(1,4-(4-(1H-imidazol-1-yl)methyl)benzene)

Kishore Ravada, Bharat Kumar Tripuramallu, G. Durgaprasad and Samar K. Das*

J. Mol. Struct., 2011, 990, 37

Understanding the Formation of Metal–Oxide Based Inorganic Solids: Assessing the Influence of Tetrazole Molecule

Bharat Kumar Tripuramallu, Kishore Ravada and Samar K. Das*

Inorg. Chim. Acta, 2011, 368, 132

Engineering an Important Macrocycle into Polyoxometalate Matrix: Synthesis, Crystal Structure, Spectroscopy and Electrochemistry of [Cu(transdien)(ClO₄)₂]·Mo₆O₁₉

Monima Sarma, Tanmay Chatterjee and Samar K. Das*

Dalton Trans., 2011, 40, 2954

Polyoxometalates Toward New Materials

A. Srinivasa Rao, A. Arumugam and Samar K. Das*

Journal of Chemical Sciences (Bangalore), 2011, 123, 229

Solid-to-Solid Transformation at the Solid–Liquid Interface Leading to a Chiral Coordination Polymer from an Achiral Monomer

S. Supriya and Samar K. Das*

Chem. Commun., 2011, 47, 2062

Donor–Acceptor Amphiphilic 2,2′-Bipyridine Chromophores: Synthesis, Linear Optical and Thermal Properties

Tanmay Chatterjee, Monima Sarma and Samar K. Das*

Tetrahedron Lett., 2011, 52, 6088–6092

Exploiting the Linking Propensity of a Water Encapsulated Polyoxovanadate Ion [AsV₆O₁₃(H₂O)]⁻ towards Lanthanide Cations: Synthesis, Crystal Structures and Thermal Properties of (NH₄)₅[AsV₆O₁₃(H₂O)]·xH₂O

T. Arumuganathan and Samar K. Das*

Inorg. Chim. Acta, 2010, 363, 4374–4380

Polyoxometalate Supported Transition Metal Complexes: Synthesis, Crystal Structures and Supramolecular Chemistry

T. Arumuganathan, S. Arumugam Rao and Samar K. Das*

Cryst. Growth Des., 2010, 10, 4274–4284

Synthesis, Structural Characterization and Properties of One-Dimensional Coordination Polymers of Cobalt(II) and Nickel(II) Phosphonate Complexes with 2,2′-Bipyridine as Secondary Ligand: Observation of Both Cis- and Trans-Conformations of a Diphosphonic Acid

Bharat Kumar Tripuramallu, Kishore Ravada and Samar K. Das*

Polyhedron, 2010, 29, 2855–2865

A Simple Coordination Complex Exhibits Color Change on Slight Structural Modification: Synthesis and Crystal Structures of Violet and Yellow Forms of [Ni(pdda)(H₂O)]·(pdda = orthophenylenediamine)

S. Supriya and Samar K. Das*

Journal of Chemical Sciences (Bangalore), 2010, 122, 731

Polyoxometalate Associated Ion-Pair Solid Based on a Crown Ether Inclusion Complex: Synthesis, Structure and Spectroscopy

Tanmay Chatterjee, Monima Sarma and Samar K. Das*

J. Mol. Struct., 2010, 971, 34–39

2-Aminoimidazolium 2-Chlorobenzoate

A. Srinivasa Rao, Bharat Kumar Tripuramallu, Kishore Ravada and Samar K. Das*

Acta Crystallographica Section E, 2010, E66, o1945

A Copper–Cyanide Coordination Complex Associated with a Polyoxometalate Anion: Synthesis, Crystal Structure and Electrochemistry of [Cu(cyclen)(CN)₂][V₁₀O₂₈]

Monima Sarma and Samar K. Das*

Inorg. Chem. Commun., 2010, 13, 1114

Dimensionality of Coordination Polymers Decided by the Type of Hybridization of the Central Carbon Atom of the Solvent Molecule that Coordinates to an Alkali Metal Cation: From Discrete to 3D Networks Based on a Gold(III) Bis(dithiolene) Complex

Ramababu Bolligarla and Samar K. Das*

Cryst. Eng. Comm., 2010, 12, 3409–3412

Supramolecular Architectures from Ammonium–Crown Ether Inclusion Complexes in Polyoxometalate Association: Synthesis, Structure and Spectroscopy

Tanmay Chatterjee, Monima Sarma and Samar K. Das*

Cryst. Growth Des., 2010, 10, 3149–3156

Acid–Base Behavior of a Simple Metal Bis(dithiolene) System: Synthesis, Crystal Structure and Spectroscopy of [Bu₄N][Ni(pddt)₂] (pddt = 1,2-benzenedithiolate)

Ramababu Bolligarla, Ravishankar Gunnam, Durgaprasad and Samar K. Das*

Eur. J. Inorg. Chem., 2010, 3723–3729

Isolation and Structural Characterization of 1,5-Benzodiazepinium Cation in an Inorganic–Organic Hybrid Compound

A. Srinivasa Rao, Eddi Sunil Babu, K. Kumar Swamy and Samar K. Das*

Polyhedron, 2010, 29, 1766–1774

Synthesis and Photo-Physical Properties of Methoxy Substituted π-Conjugated 2,2′-Bipyridines

Tanmay Chatterjee, Monima Sarma and Samar K. Das*

Tetrahedron Lett., 2010, 51, 1985–1988

Design, Synthesis, and Discovery of Novel Non-Peptide Inhibitor of Caspase-3 Using Ligand-Based and Structure-Based Virtual Screening Approach

P. Jhansi Lakshmi, B. V. S. Suneel Kumar, Ravi Shasi Nayana, M. Srinivas Mohan, Ramababu Bolligarla, Samar K. Das, M. Uday Bhanu, Anand K. Kondapi and Mutnien R. Ravikumar*

Bioorganic & Medicinal Chemistry, 2009, 17, 6040–6047

Nitrogen-Rich Ni(II)-Dithiolato System Exhibiting Acid–Base Behavior: Synthesis, Supramolecular Structure and Spectroscopy of [Bu₄N][Ni(pddt)₂](pddt = pyrido[2,3-b]pyrazine-2,3-dithiolate)

Ramababu Bolligarla, G. Durgaprasad and Samar K. Das*

Inorg. Chem. Commun., 2009, 12, 355–358

Reversible Nitro–Nitrito Inter-Conversion in a Simple Mononuclear Nickel(II) Complex [Ni(C₆H₄(NH₂)₂(NO₂)₂)] in the Solid State

S. Supriya and Samar K. Das*

Inorg. Chem. Commun., 2009

Chiral Synthesis of a Mononuclear Nickel(II) Complex from an Achiral Tripodal Amine Ligand: Spontaneous Resolution

A. Srinivasa Rao, Abhijit Pal, Samar K. Das* and Rajarshi Ghosh*

Inorg. Chem., 2009, 48, 1802–1804

Chiral Supramolecular Metal–Organic Architectures from Dinuclear Copper Complexes

C. P. Pradeep and Samar K. Das*

Polyhedron, 2009, 28, 630–636

Discrete Polyoxovanadate Cluster into an Organic-Free Metal-Oxide Based Material: Syntheses, Crystal Structures and Magnetic Properties of a New Series of Lanthanide-Linked POV Compounds [Ln(H₂O)₆]₂V₈O₁₄·2(SO₃)·8H₂O (Ln = La³⁺, Sm³⁺ and Ce³⁺)

T. Arumuganathan and Samar K. Das*

Inorg. Chem., 2009, 48, 496–507

Supramolecular Structures and Polyoxometalates in Macromolecules Containing Metal and Metal-Like Elements: Supramolecular and Self-Assembled Metal Containing Materials

Samar K. Das

Book Chapter in: Macromolecules Containing Metal and Metal-Like Elements, John Wiley & Sons, Inc., Hoboken, New Jersey, USA, 2009, Vol. 9, Chapter 3, pp. 61–123

Non-covalent O···O Interactions among Isopolyanions Using a cis-{MoO2} Moiety by the Assistance of N–H···O Hydrogen Bonds

T. Arumuganathan, A. Srinivasa Rao and Samar K. Das*

J. Chem. Sci., 2008, 120, 297–304

Stabilization of a New Type of Water Octamer in the Crystalline Hydrate of an Inorganic–Organic Hybrid Material: Synthesis and Characterisation of [{Cu(phen)(H₂O)₂}₂(MoO₂)₆]·8H₂O

V. Shivaiah, T. Chatterjee and Samar K. Das*

Synthesis and Reactivity in Inorganic, Metal-Organic & Nano-Metal Chemistry, 2008, 38, 12

A New Series of Asymmetrically Substituted Bis(1,2-dithiolato)nickel(II) Complexes Exhibiting Near-IR Absorption and Structural Diversity

V. Madhu and Samar K. Das*

Inorg. Chem., 2008, 47, 5055

Two Different Zinc(II)-Aqua Complexes Held Up by a Metal-Oxide Based Support: Synthesis, Crystal Structure and Catalytic Activity of [HMTAH]₂[Zn(H₂O)₅Zn(H₂O)₄Mo₇O₂₄]·2H₂O (HMTAH = Protonated Hexamethylenetetramine)

T. Arumuganathan, A. Srinivasa Rao, T. Vijay Kumar and Samar K. Das*

Journal of Chemical Sciences, 2008, 120, 95–103

Identification of ONO···ONO Interactions among Inorganic Coordination Complex Molecules in the Crystal Lattice of a Chiral Mn(IV) Compound

C. P. Pradeep, P. S. Zacharias and Samar K. Das*

Inorg. Chem. Commun., 2008, 11, 89–93

Enantiopure Mono- and Mixed-Valent Multi-nuclear Cobalt Complexes from Amino Alcohol Based Ligands: How Substitution on a Ligand Controls Nuclearity in an Identical Reaction Condition of Chiral Complex Synthesis

C. P. Pradeep, P. S. Zacharias and Samar K. Das*

Eur. J. Inorg. Chem., 2007, 5377–5389

Reversible Single Crystal to Single Transformation through Fe–O(H)Me/Fe–OH₂ Bond Formation/Bond Breaking in a Gas–Solid Reaction at an Ambient Condition

S. Supriya and Samar K. Das*

J. Am. Chem. Soc., 2007, 129, 3464–3465

A Water Pipe Held Up by a Polyoxometalate Supported Transition Metal Complex: Synthesis and Characterization of [{Cu₂(phen)₂(CH₃COO)(CH₃COOH)}₂][Al(OH)₆Mo₆O₁₈]·28H₂O

V. Shivaiah, T. Chatterjee, K. Srinivasa and Samar K. Das*

Eur. J. Inorg. Chem., 2007, 231–234

New Approach to Functionalize an Organic Compound through the Influence of Metal–Bis(dithiolene) Complexes Leading to Ion-Pair Compounds Exhibiting Strong Emission at Room Temperature in the Visible Region

V. Madhu and Samar K. Das*

Inorg. Chem., 2006, 45, 1037–1039

Chiral Mn(IV) Complex and Its Supramolecular Assembly: Synthesis, Characterization and Properties

C. P. Pradeep, P. S. Zacharias and Samar K. Das*

J. Chem. Sci., 2006, 118, 311–317

A Tetranuclear Copper(II) Complex Stabilizes an Extended Structure of a Water Nonamer: Synthesis and Characterization of [Cu₄(C₅H₄N₂O₄)(OH)₂]·10H₂O

C. P. Pradeep, S. Supriya, P. S. Zacharias and Samar K. Das*

Polyhedron, 2006, 25, 3588–3592

Synthesis and Structural Characterization of a Carboxylate-Bridged Tetranuclear Copper Complex Derived from Reduced Schiff Base Asymmetric Compartmental Ligand Containing an Amino Acid Side Arm

C. P. Pradeep, P. S. Zacharias and Samar K. Das*

Inorg. Chem. Commun., 2006, 9, 1071–1074

Water–Chloride Interactions: Left- and Right-Handed Aqua–Chloro Supramolecular Helices Anchored by a Chiral Schiff Base Nickel Complex

M. Prabhakar, P. S. Zacharias and Samar K. Das*

Inorg. Chem. Commun., 2006, 9, 899–902

Sulfate Anion Helices Formed by the Assistance of a Flip–Flop Water Chain

P. Raghavaiah, S. Supriya and Samar K. Das*

Chem. Commun., 2006, 2762–2764

N–H···S Hydrogen Bonds in a New Family of Ion-Pair Complexes Between Cationic Nickel Tetraazabicyclononane and Anionic Metal Dithiolates: Synthesis, Characterization and Properties of [Ni(C₈H₂₂N₄)][M(mnt)₂] (M = Cu, Ni, Pd)

V. Madhu and Samar K. Das*

Eur. J. Inorg. Chem., 2006, 1505–1514

Fivefold Coordination in Cu(II) Aqua Ion: A Supramolecular Sandwich Consisting of Two Crown Ethers and a Trigonal Bipyramidal [Cu(H₂O)₅]²⁺ Ion

V. Shivaiah and Samar K. Das*

Angew. Chem. Int. Ed., 2006, 45, 245–248

Polyoxometalate Supported Transition Metal Complexes and Their Charge Complementarity: Synthesis and Characterization of [M(OH)₆Mo₆O₁₈Cu(phen)(H₂O)Cl]·5H₂O (M = Al³⁺, Cr³⁺)

V. Shivaiah and Samar K. Das*

Inorg. Chem., 2005, 44, 8846–8854

Inclusion of a Ca²⁺ Ion by a Large Cavity Crown Ether Dibenzo-24-Crown-8 through Supramolecular Interactions

V. Shivaiah and Samar K. Das*

Inorg. Chem., 2005, 44, 7313–7315

Supramolecular Assembly of a Neutral [Cu(salen)] Complex via the Templating Effect of an Ionic Inorganic Complex Na₂[Cu(mnt)₂], Forming a Framework-Type Material Having Well-Defined Channels

V. Madhu and Samar K. Das*

Inorg. Chem. Commun., 2005, 8, 1097–1100

A Chiral Copper Complex Leads to Supramolecular Homochiral Helices via O–H···Cl–Cu Interactions

Chidikanti P. Pradeep, Parthapally S. Zacharias and Samar K. Das*

Eur. J. Inorg. Chem., 2005, 3405–3408

Synthesis, Structural Characterization and Properties of an Optically Active Mononuclear Mn(IV) Complex

C. P. Pradeep, P. S. Zacharias and Samar K. Das*

Polyhedron, 2005, 24, 1410–1416

Supramolecular Assembly Based on a Heteropolyanion: Synthesis and Crystal Structure of Na₃{H₂O}₆[Al(OH)₆Mo₆O₁₈]·2H₂O

V. Shivaiah and Samar K. Das*

J. Chem. Sci., 2005, 117, 227–233

Self-Assembly of a Fluorescent Chiral Zinc(II) Complex That Leads to Supramolecular Helices

M. Prabhakar, P. S. Zacharias and Samar K. Das*

Inorg. Chem., 2005, 44, 2585–2587

Synthesis and Characterization of a Chiral Dimeric Copper(II) Complex: Crystal Structure of [Cu₂(μ-Cl)₂(HL)₂]·H₂O (HL = S-(2-(2-hydroxy-1-phenylethylimino)-methyl-phenol)

C. P. Pradeep and P. S. Zacharias and Samar K. Das*

J. Chem. Sci., 2005, 117, 133–137

Hydrogen Bonded Supramolecular Network in a Simple Organic–Inorganic Salt: Hydrophilic Gallery Formed between Two Hydrophobic Layers in the Crystal Structure of [C₆H₉N₄]₂[ClO₄]·H₂O

P. Raghavaiah, S. Supriya and Samar K. Das*

CrystEngComm, 2005, 7, 167–170

A New Type of Supramolecular Assembly via Hydrogen Bond Templating: Identification of Rare Monodentate Acetate Coordination in [Fe₃(μ-O)₂(μ-CH₃COO)₆(H₂O)₂(CH₃COO)]ClO₄

Sabbani Supriya, K. Swarna Latha and Samar K. Das*

Eur. J. Inorg. Chem., 2005, 357–363

On the Complex Heteropolyanion-Based Cluster Species Containing 368 Mo Atoms: Simple Preparation Method, New Spectral Details and Information about the Unique Formation

A. Müller*, B. D. Das, Samar K. Das, H. Bögge, M. Schmidtmann and A. Merce

Polyhedron, 2004, 23, 2381–2385

First Structurally Characterized Optically Active Mononuclear Mn(IV) Complex: Synthesis, Crystal Structure and Properties of [MnIVL₂(H₂L = S-(2-(2-hydroxy-1-phenylethylimino)-methyl-phenol))]

C. P. Pradeep, T. Hwe, P. S. Zacharias and Samar K. Das*

New J. Chem., 2004, 28, 735–739

Near-IR Absorption Due to Supramolecular Electronic Interaction in an Extended 3D Hydrogen-Bonding Network Material: Synthesis, Crystal Structure and Properties of [4,4′-H₂bpy][Cu(mnt)₂]

V. Madhu and Samar K. Das*

Polyhedron, 2004, 23, 1235–1242

Chirality of a Strangely Shaped Heteropolyanion [S₂Mo₅O₂₃]⁴⁻

V. Shivaiah, T. Arumuganathan and Samar K. Das*

Inorg. Chem. Commun., 2004, 7, 367–369

More Insight into the Crystal Structure of [Co(H₂O)₄(4-nba)₂]·2H₂O (4-nba = para-nitrobenzoate): An Unprecedented Hydrogen-Bonded Supramolecular Network

B. R. Srinivasan*, S. C. Sawant and Samar K. Das

Indian J. Chem. A, 2004, 43A, 1066–1075

Polyoxometalate Clusters: Giant Wheels and Balls

A. Müller*, Samar K. Das, E. Krickemeyer and C. Kuhlmann

Inorg. Synth., 2004, 34, 191–200

Redox Reaction Between [Bu₄N]₂[MoVI O₂(mnt)₂] and Thiophenol in Relevance to the Autoreduction in the Crystallization Process of Oxidized Form of Sulfite Oxidase

P. K. Chaudhury, K. Nagarajan, A. Kumar, R. Maiti, Samar K. Das and S. Sarkar*

Indian J. Chem. A, 2003, 42A, 223–227

Trapping Cations in Specific Positions in Tuneable “Artificial Cell” Channels: New Nanochemistry Perspectives

A. Müller*, Samar K. Das, S. Talismanov, S. Roy, E. Beckmann, H. Bögge, M. Schmidtmann, A. Merce, A. Berkler, L. Allouche, Y. Zhou and L. Zhang

Angew. Chem. Int. Ed., 2003, 42, 5039–5044

Formation of a Spiral-Shaped Inorganic–Organic Hybrid Chain [CuII(2,2′-bipy)(H₂O)₂]₄(OH)₆Mo₆O₁₈·nH₂O: Influence of Intra- and Inter-Chain Supramolecular Interactions

V. Shivaiah, M. Nagaraju and Samar K. Das*

Inorg. Chem., 2003, 42, 6604–6606

Small Water Clusters in Crystalline Hydrates

S. Supriya and Samar K. Das*

J. Cluster Sci., 2003, 14, 337–366

A Cyclic (H₂O)₄ Cluster Characterized in the Solid State Disappears on Heating and Regenerates from Water Vapor: A Supramolecular Reversible Gas–Solid Reaction

S. Supriya and Samar K. Das*

New J. Chem., 2003, 27, 1568–1574

A Cyclic Supramolecular (H₂O)₄ Cluster in the Solid State and Its Reversible Formation from Water Vapor in a Gas–Solid Phase Reaction

S. Supriya, S. Manikumari, P. Raghavaiah and Samar K. Das*

New J. Chem., 2003, 27, 218–220

A Simple Cu(II) Complex, [Cu(C₆H₄(NH₂)₂(NO₂)₂)] with an Unprecedented Hydrogen-Bonding Supramolecular Network in the Solid State and Its Solution Emission at Room Temperature in the Visible Region

S. Supriya and Samar K. Das*

Inorg. Chem. Commun., 2003, 6, 10–14

Identification of a Near-Linear Supramolecular (H₂O)₂ Cluster in the Solid State

S. Manikumari, V. Shivaiah and Samar K. Das*

Inorg. Chem., 2002, 41, 6953–6955

The First One-Dimensional Heteropoly Tungstovanadate Coordination Polymer: [(VᴵⱽO)₄W₈Vᴵⱽ₂O₃₆(VᴵO)₂]ₙ

V. Shivaiah, S. Hajebu and Samar K. Das*

Inorg. Chem. Commun., 2002, 5, 996

A Novel Polyoxometalate Chain Formed from Heteropolyanion Building Blocks and Lanthanum Cation Linkers: [La(H₂O)₇Al(OH)₆Mo₆O₁₈]·4H₂O

V. Shivaiah, P. V. Narasimha Reddy, J. Cronin and Samar K. Das*

J. Chem. Soc., Dalton Trans., 2002, 3781–3782

Synthesis and Characterization of a Reduced Heteropoly Tungstovanadate: (NH₄)₇[V₄O₄W₁₀V₂O₃₆]·ca.22H₂O

V. Shivaiah and Samar K. Das*

Proc. Indian Acad. Sci. (Chem. Sci.), 2002, 114, 107–114

Paramagnetic Keplerate “Necklaces” Synthesized by a Novel Room-Temperature Solid-State Reaction

A. Müller*, Samar K. Das, O. Talismanova, H. Bögge, P. Kögerler, M. Schmidtmann, S. S. Talismanova, M. Luban and E. Krickemeyer

Angew. Chem. Int. Ed. Engl., 2002, 41, 579–582

On the Option of Generating Novel Type Surfaces with Multiphilic Ligands within the Cavity of a Giant Metal-Oxide Based Wheel-Type Cluster: Chemical Reactions with Well-Defined Nanobjects

A. Müller*, Samar K. Das, C. Kuhlmann, H. Bögge, M. Schmidtmann, E. Diemann, E. Krickemeyer, J. Holmes, H. Modrow and M. Schindler

Chem. Commun., 2001, 655–656

Generation of Cluster Capsules (II) from Decomposition Products of a Smaller Cluster (Keggin-Td) While Surviving Ones Get Encapsulated: Species with Core–Shell Topology Formed by a Fundamental Symmetry-Driven Reaction

A. Müller*, Samar K. Das, H. Bögge, M. Schmidtmann, A. Bota and A. Patrut

Chem. Commun., 2001, 657–658

Mimicking Oxide Surfaces: Different Types of Defects and Ligand Coordination at Well-Defined Positions of a Molybdenum Oxide Based Nanocluster

A. Müller*, R. Maiti, M. Schmidtmann, H. Bögge, Samar K. Das and W. Zhang

Chem. Commun., 2001, 2126–2127

Cross-Linking Nanostructured Spherical Capsules as Building Units by Crystal Engineering: Related Chemistry

A. Müller*, Samar K. Das, E. Krickemeyer, P. Kögerler, H. Bögge and M. Schmidtmann

Solid State Sciences, 2000, 2, 847–854

A New Type of Supramolecular Compound: Molybdenum–Oxide Based Composites Consisting of Magnetic Nanocapsules with Encapsulated Keggin Ion Electron Reservoirs Cross-Linked to a Two-Dimensional Network

A. Müller*, Samar K. Das, P. Kögerler, H. Bögge, M. Schmidtmann, A. X. Trautwein, V. Schünemann, E. Krickemeyer and W. Preetz

Angew. Chem. Int. Ed. Engl., 2000, 39, 3413–3417

Linking Icosahedral, Strong Molecular Magnets {Mo72Fe30} to Layers: A Solid-State Reaction at Room Temperature

A. Müller*, E. Krickemeyer, Samar K. Das, P. Kögerler, S. Sarkar, H. Bögge, M. Schmidtmann and S. Sarkar

Angew. Chem. Int. Ed. Engl., 2000, 39, 1612–1615

Fragile Synthesis and Structure of Crystalline Molybdenum Blue Compounds Including One with a High Degree of Defects

A. Müller*, C. Beugholt, M. Koop, Samar K. Das, M. Schmidtmann and H. Bögge

Z. Anorg. Allg. Chem., 1999, 625, 1960–1962

“Open and Shut” for Guests in Molybdenum–Oxide Based Giant Spheres, Baskets, and Rings That Contain the Pentagon as a Common Structural Element

A. Müller*, S. Polarz, Samar K. Das, E. Krickemeyer, H. Bögge, M. Schmidtmann and B. Hauptfleisch

Angew. Chem. Int. Ed. Engl., 1999, 38, 3241–3245

Rapid and Simple Isolation of the Crystalline Molybdenum Blue Compounds with Discrete and Linked Nanosized Ring-Shaped Anions

A. Müller*, Samar K. Das, V. P. Fedin, E. Krickemeyer, C. Beugholt, H. Bögge, M. Schmidtmann and B. Hauptfleisch

Z. Anorg. Allg. Chem., 1999, 625, 1187–1192

Assembling Nanosized Ring-Shaped Synthons to an Anionic Layer Structure Based on the Synergetically Induced Functional Complementarity of Their Surface Sites

A. Müller*, Samar K. Das, H. Bögge, C. Beugholt and M. Schmidtmann

Chem. Commun., 1999, 1035–1036

Giant Ring-Shaped Building Blocks Linked to Form a Layered Cluster Network with Nanosized Channels

A. Müller*, E. Krickemeyer, H. Bögge, M. A. Schmidtmann, C. Beugholt, Samar K. Das and F. Peters

Chem. Eur. J., 1999, 5, 1496–1502

Intrazeolitic Photoreactions of Ru(bpy)₃³⁺ with Methylviologen

Samar K. Das and P. K. Dutta*

Langmuir, 1998, 14, 5121–5126

Synthesis and Characterization of a Ruthenium Oxide–Zeolite Y Catalyst for Photochemical Oxidation of Water to Dioxygen

Samar K. Das and P. K. Dutta*

Microporous and Mesoporous Materials, 1998, 22, 475–483

Oxidizing Properties of Zeolite Encapsulated Oxobis(2,2′-bipyridine) Ruthenium(IV) Complexes Formed by Air Oxidation of Bis(2,2′-bipyridine)aquaruthenium(II)

P. K. Dutta* and Samar K. Das

J. Am. Chem. Soc., 1997, 119, 4311–4312

Formation of Phenol from Benzene Catalyzed by Polymer Bound Vanadyl Acetylacetonate

A. Kumar Jr., Samar K. Das and A. Kumar

J. Catal., 1997, 166, 108–110

A Functional Mimic of the New Class of Tungstoenzyme Acetylene Hydratase

J. Yadav, Samar K. Das and S. Sarkar*

J. Am. Chem. Soc., 1997, 119, 4315–4316

Modeling the Tungsten Sites of Inactive and Active Hyperthermophilic Pyrococcus furiosus Aldehyde Ferredoxin Oxidoreductase

Samar K. Das, D. Biswas, R. Maiti and S. Sarkar*

J. Am. Chem. Soc., 1996, 118, 1387–1397

Inhibition Patterns of a Model Complex Mimicking the Reductive Half Reaction of Sulfite Oxidase

P. K. Chaudhury, Samar K. Das and S. Sarkar*

Biochem. J., 1996, 319, 953–959

Polymer Supported VO²⁺ Schiff Base Catalyst for Hydroxylation of Benzene

Samar K. Das, A. Kumar Jr., S. Nandiraj and A. Kumar

Tetrahedron Lett., 1995, 36, 7909–7912

Stepwise Reduction of Electron-Precise Six-Electron Triangular [Mo₃S₄(CN)₉]⁵⁻ to Electron-Rich Seven-, Eight- and Unstable Nine-Electron Species Resulting in Core Expansion to Electron-Precise Twelve-Electron Tetrahedral [Mo₄S₄(CN)₁₂]⁸⁻

S. Sarkar*, S. R. Pal, P. K. Chaudhury, R. Maiti and Samar K. Das

Proc. Indian Acad. Sci. (Chem. Sci.), 1995, 107, 355–360

Modeling the Active Site of Sulfite Oxidase: Synthesis, Characterization, and Reactivity of [Mo⁴⁺O₂(mnt)₂]²⁻ (mnt = 1,2-dicyanoethylenedithiolate)

Samar K. Das, P. K. Chaudhury, D. Biswas and S. Sarkar*

J. Am. Chem. Soc., 1994, 116, 9061–9070

Carbon Dioxide Fixation by [WᵛO(mnt)₂]²⁻: Functional Model for the Tungsten Formate Dehydrogenase of Clostridium thermoaceticum

S. Sarkar* and Samar K. Das

Proc. Indian Acad. Sci. (Chem. Sci.), 1992, 104, 533–534

Synthesis of the Active Sites of Molybdoenzymes: MoO₂(VI) and MoO(IV)–Dithiolene Complexes Mimicking Enzymatic Reactions of Sulfite Oxidase with Saturation Kinetics

S. Sarkar* and Samar K. Das

Proc. Indian Acad. Sci. (Chem. Sci.), 1992, 104, 437–441