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Sumit Khanra

PhD:
Max-Planck Institute for Bioinorganic Chemistry, Germany, (2005)
Area of Interest:
Bioinspired Water Oxidation towards Energy, Small Molecules and C-H bond Activation, Nanomagnetism, Organometallic Chemistry
Email ID:
sumit.khanra
Research Interest:
  • Bioinspired Inorganic Chemistry towards  Chemical, photochemical or electrochemical water splitting and transporting the electrons needed for hydrogen production.
  • Nano-Magnetism: Synthesis of polynuclear Cluster & cage compounds with tuned structures, development of magnetic materials and towards quantum computation.
  • Small molecules like O2 , N2, CO2 activation by Inorganic & Organometallic Compounds.
  • High-valent Transition metal-Oxo or nitrido species towards C-H bond activation
  • Pd & Rh catalyzed C-C, C-N bond formation & C-H bond activation
Academic Qualification:
  • Ph. D (Chemistry), Max-Planck Institute for Bioinorganic Chemistry, Germany
  • M. Sc. (Chemistry), Jadavpur University, Kolkata, India
  • B. Sc. (Hons in Chemistry),  Jadavpur University Kolkata, India
Positions:
  • Post doctoral Fellow, Max-Planck Institute for Bioinorganic Chemistry, Germany (2005-2006)
  • Magmanet (EU network of Excellence) funded Research Associate, University of Manchester, UK (2006-2008).
  • EPSRC funded Research Associate, University of Glasgow, UK (2008-2009).
  • Assistant Professor, Indian Institute of Science Education and Research (IISER), Kolkata ( July 2009 -).
Awards and Honors:
  • CSIR-UGC (Council for Scientific & Industrial Research- University Grants Commission) National Eligibility Test (CSIR-category) in Chemical Sciences
  • Qualified institute fellowship in Indian Institute of Science (IISC), Bangalore, in the Solid-State Chemistry Department.
  • Graduate Aptitude Test for Engineering (GATE) in Chemistry.
  • Anil Majumdar memorial award” for securing highest marks in M.Sc Chemistry examination Jadavpur University, India
  • “Bimanesh Sur memorial award” for securing highest marks in Inorganic Chemistry, Jadavpur University, India
  • Nanigopal memorial award” for an outstanding performance in M.Sc Chemistry examination, Jadavpur University, India
List of Publications:
(25) A Mixed-Valence Manganese Cubane Trapped by Inequivalent Trilacunary Polyoxometalate Ligands

Scott G. Mitchell, Sumit Khanra, Haralampos N. Miras,Alessandro Prescimone, Geoffrey J.T. Cooper, Ross S. Winter, Euan K. Brechin, De-Liang Long, Richard J. Cogdell, Leroy Cronin

Angew. Chem. Int. Ed. 2011, 50, 9154-9157

(24) A Mixed-Valence Manganese Cubane Trapped by Inequivalent Trilacunary Polyoxometalate Ligands

Scott G. Mitchell, Sumit Khanra, Haralampos N. Miras,Alessandro Prescimone, Geoffrey J.T. Cooper, Ross S. Winter, Euan K. Brechin, De-Liang Long, Richard J. Cogdell, Leroy Cronin

Angew. Chem2011123, 9320-9323

(23)  Hexanuclear Copper(II) Cage with {Cu3OHOCu3} Core supported by a Dicompartmental Oxime Ligand with m-xylyl Spacer: Synthesis, Molecular structure and Magnetic Studies

Sibasree Karmakar, Oindrila Das, Subhamoy Ghosh, Ennio Zangrando, Mara Johann, Eva Rentschler, Thomas Weyhermüller, Tapan Kanti Paine and Sumit Khanra*

Dalton Trans 2010, 39, 10920-10927

(22) Synthesis of Molecular Vanadium (III) Phosphonates

Sumit Khanra, Marc Kloth, Hassanatu Mansaray, Chris A. Muryn, Floriana, Tuna, E Carolina Sañudo, Madeleine Helliwell, Eric J. L. McInnes, Richard E. P. Winpenny

Angew. Chem. Int. Ed. 2007, 46, 5568-5571;  (Identified as VERY IMPORTANT PAPER(VIP) by Angew. Chem. Int. Ed.)

(21) Synthesis of Molecular Vanadium (III) Phosphonates

Sumit Khanra, Marc Kloth, Hassanatu Mansaray, Chris A. Muryn, Floriana, Tuna, E Carolina Sañudo, Madeleine Helliwell, Eric J. L. McInnes, Richard E. P. Winpenny

Angew. Chem. 2007119, 5664-5667

(20) Families of Molecular Hexa- and Trideca-Metallic Vanadium (III) Phosphonates

Sumit Khanra, Rachel Shaw, Madeleine Helliwell, Floriana Tuna, Christopher A. Muryn, Eric J. L. McInnes, Richard E. P. Winpenny; Materials 2010, 3, 232-240.

(19) Synthesis, Structural Characterisation and Magnetic Studies of Polymetallic Iron Phosphonate Cages

Sumit Khanra, Madeleine Helliwell, Floriana Tuna, Eric. J. L. McInnes, Richard E. P. Winpenny, Dalton. Trans. 2009, 6166-6174

(18) The Trinity of Polyoxometalates: Connecting {M12} Keggin and {M18} Dawson Clusters to Triangles

Sumit Khanra, Scott G. Mitchell,   Haralampos N. Miras, Thomas Boyd, De-Liang Long, Leroy Cronin, Chem. Commun. 2009, 2712-2714

(17) Synthesis, Structural and Magnetochemical studies of Iron Phosphonate Cages based on {Fe3O}7+ Core

Sumit Khanra, Sanjit Konar, Abraham Clearfield, Madeleine Helliwell, Eric. J. L. McInnes, Evangelos Tolis, Floriana Tuna, Richard E. P. Winpenny, Inorg. Chem. 2009, 48, 5338-5349

(16) A Nonanuclear Copper (II) Cluster Incorporating Endogenous Alkoxo- and Exogenous Hydroxo Bridges Containing {Cu33-OH)3} Cores

Sumit Khanra, Thomas Weyhermüller and Phalguni Chaudhuri, Dalton. Trans. 2009, 3847-3853

(15) Vanadium (III) Phosphonate Cage Complexes

Sumit Khanra, Luke Batchelor, Madeleine Helliwell, Floriana Tuna, Eric. J. L. McInnes, Richard E. P. Winpenny, J. Mol. Struct., 2008, 890,157-162

(Dedicated in memory of F. A. Cotton: A Collection of Invited Papers in Honor of the Late Prof. F. Albert Cotton).

(14)  Star-Shaped Molecule of Mn4O6 Core with an ST=10 High Spin State: A Theoretical and Experimental Study with XPS, XMCD and other Magnetic Methods

Sumit Khanra, Karsten Kuepper, Thomas Weyhermüller, Manuel Prinz, Michael Reekers, Sebastian Voget, Andrei V. Postnikov, Frank M. F. de Groot, Simon J. George, Marin Coldea, Manfred Neumann, Phalguni Chaudhuri, Inorg. Chem, 2008, 47, 4605-4617

(13) An Oximate-bridged Hexanuclear Mixed-valence MnIII4MnII2 Edge-sharing Bitetrahedral Core with ST = 5 Ground Spin State

Sumit Khanra, Thomas Weyhermüller, Phalguni Chaudhuri, Dalton. Trans 2008, 4885-4892.

(12) Deliberate Synthesis for Magnetostructural Study of Linear Homo-and Hetero-tetranuclear BIIIMnIIMnIIBIII, MnIIIMnIIMnIIMnIII, MnIVMnIIMnIIMnIV, FeIIIMnIIMnIIFeIII and CrIIIMnIIMnIICrIII Complexes: Influence of Terminal Ions on the Exchange Coupling

Sumit Khanra, Thomas Weyhermüller, Eckhard Bill, Phalguni Chaudhuri, Inorg. Chem. 2006, 45, 5911-5923.

(11) Self-assembly of a Nonanuclear Nickel (II) Complex and its Magnetic Properties

Sumit Khanra, Thomas Weyhermüller, Eva Rentschler, Phalguni Chaudhuri, Inorg. Chem. 2005, 44, 8176-8178.

(10) Rational Synthesis of a Heterotetranuclear CrIII2CuII2 Species using a Metaloximate as a Building block: A Magnetostructural Study

Sumit Khanra, Thomas Weyhermüller, Phalguni Chaudhuri, Dalton. Trans. 2007, 4675-4680.

(9) A One-Pot Synthesis of a Paramagnetic High-Nuclearity Nickel (II) Cluster: An Octadecanuclear NiII16NaI2 Metal Aggregate

Biplab Biswas, Sumit Khanra, Thomas Weyhermüller, Phalguni Chaudhuri, Chem. Commun. 2007, 1059-1061

(8) A Spin-Frustrated Star-Shaped Heterotetranuclear CrIIIMnII3 Species and Its Magnetic and HF-EPR Measurements

Sumit Khanra, Biplab Biswas, Christian Golze, Bernd Büchner, Vladislav Kataev, Thomas Weyhermüller, Phalguni Chaudhuri, Dalton. Trans. 2007, 481-487 (Highlighted as Top Ten Articles).

(7) Photoinduced Intramolecular Proton Transfer of Phenol-Containing Ligands and their Zn Complexes

Sumit Khanra, Helmut Görner, Thomas Weyhermüller, Phalguni Chaudhuri, J. Phys. Chem. 2006, 2587-2594

(6) A Star-Shaped Heteronuclear CrIIIMnII3 Species and Its Precise Electronic and Magnetic Structure: Spin Frustration Studied by X-Ray Spectroscopic, Magnetic, and Theoretical Methods

Manuel Prinz, Karsten Kuepper, Christian Taubitz, Michael Raekers, Sumit Khanra, Biplab Biswas, Thomas Weyhermüller, Marc Uhlarz,  Joachim Wosnitza, Jürgen Schnack, Andrei V. Postnikov, Christian Schroder, Simon J. George, Manfred Neumann, Phalguni Chaudhuri; Inorg. Chem. 2010, 49, 2093-2102.

(5) Tridentate Facial Ligation of Tris (Pyridine-2-aldoximato)nickel(II) and Tris (Imidazole-2-aldoximato)nickel(II) to Generate NiIIFeIIINiII, MnIIINiII, NiIINiII, ZnIINiII and Electrochemically Generated MnIVNiII, NiIINiIII, ZnIINiIII Species: A Magnetostructural, Electrochemical and EPR Spectroscopic Studies

Phalguni Chaudhuri, Thomas Weyhermüller, Rita Wagner, Sumit Khanra, Biplab Biswas, Eberhard Bothe, Eckhard Bill, Inorg. Chem. 2007, 46, 9003-9016.

(4) A Magnetostructural Study of Linear NiIIMnIIINiII, NiIICrIIINiII and Triangular NiII3 Species Isolated from (Pyridine-2-aldoximato) nickel (II) Unit as a Building Block

Thomas Weyhermüller, Rita Wagner, Sumit Khanra, Phalguni Chaudhuri, Dalton. Trans. 2005, 2539-2546.

(3) Ferromagnetism vs. Antiferromagnetism in Bis(μ2-1,1-Azido)dinickel(II) Complexes with Syn-and Anti-Conformations of the End-on Azide Bridges

Phalguni Chaudhuri, Rita Wagner, Sumit Khanra, Thomas Weyhermüller, Dalton. Trans. 2006, 4962-4968.

(2) Synthesis, Structure and Valency Verification of a MnIII6O2-Cluster

Manuel Prinz, Michael Rickers, Manfred Neumann, Karsten Kuepper & Sumit Khanra, Thomas Weyhermüller, Phalguni Chaudhuri, Z. Phys. Chem, 2009, 223, 145-155.

(1) Cis-Tach based Pentadecadentate Ligands as Building Blocks in the Synthesis of FeIII and PdII Coordination Clusters

Graham N. Newton, Geoffrey J. T. Cooper, Dominique Schuch, Takuya Shiga, Sumit Khanra, De-liang Long, Hiroki Oshio, Leroy Cronin, Dalton Trans. 2009, 1549-1553.