Dr. B. Sarkar

Chemistry Department

Designation: Assistant Professor

Qualifications:

  • Ph.D.: Indian Institute of Technology Guwahati (2008)
  • M.Sc.: University of North Bengal (2001)

Professional Experiences

  • Assistant Professor: North-Eastern Hill University (2007 onwards)
  • Post-Doctoral Fellow: University of Coimbra, Portugal (2010-2011)

Awards and Fellowships

  • Fundação para a Ciência e a Tecnologia (FCT) Fellowship: Portugal (2010)
  • CSIR-NET JRF: India (2003)
  • GATE: India (2003)

Teaching Experiences

  • 1st semester M. Sc.: CHEM414 (Quantum Chemistry)
  • 2nd semester M. Sc.: CHEM424 (Molecular Spectroscopy)
  • 3rd semester M. Sc.: CHEM533 (Physical Chemistry III)
  • 4th semester M. Sc.: CHEM541 (Computer Programming in Chemistry)
  • 1st semester M. Sc.: Che-C-103 (Physical Chemistry I)
  • 2nd semester M. Sc.: Che-O-203 (Computer Programming in Chemistry)
  • 3nd semester M. Sc.: Che-O-309 (Chemical Reaction Dynamics)
  • 3rd semester M. Sc.: Che-O-306 (Advanced Quantum Chemistry)
  • 3rd semester M. Sc.: Che-C-303 (Physical Chemistry III)
  • 3rd semester M. Sc.: Che-C-304 (Practical Physical Chemistry)
  • 4th semester M. Sc.: Che-C-403 (Physical Chemistry IV)
  • 4th semester M.Sc.: Che-C-404 (Project Work)
  • Pre-PhD course work: Che-C-501 (Research Methodology)
  • Pre-PhD course work: Che-C-505 (Advanced Physical Chemistry)

Research Interests

  • Beyond Born-Oppenheimer treatment and non-adiabatic effects
  • Geometric phase effect in chemical systems
  • Theoretical studies of weak interactions
  • Theoretical studies of atmospheric reactions

Research Project

  • Theoretical investigations of hydrogen bond interactions involved in the reactions of volatile organic compounds presents in the atmosphere, DST-SERB, Govt. of India (EMR/2015/002322) (2016-2019) Rs. 27,50,000/-.

Research Collaborators

  • Dr. Aloke Das
    Associate Professor,
    Department of Chemistry, IISER Pune,  
    Dr. Homi Bhabha Road, Pashan,
    Pune, Maharashtra-411008
  • Dr. Amit Kumar Paul
    Assistant Professor,
    Department of Chemistry, NIT Meghalaya
    Shillong, Meghalaya-793003
    Research Groups

Ph.D. Students

  • Dr. Debojit Kumar Deb (Assistant Professor, William Carey University, Shillong)
  • Mr. Shankupar Rynjah

M.Sc. Project Students

1. Mr. P. P. Wabang Mollier 11. Ms. Naziha Taranaam
2. Mr. Peter Singh Dkhar 12. Mr. Teiboklang Tongper
3. Mr. Shamphang Heneiwtha 13. Ms. Baphinda Warjri
4. Mr. Fullmoon Siangshai 14. Mr. Dansleymore M. Sangma
5. Mr. Keneinguile Medom 15. Ms. Teilin Nongsiej
6. Mr. Batskhamlang Rapthap 16. Ms. Sungjemtala Imchen
7. Mr. Prowell Syngkli 17. Mr. Shamphang Kharkongor
8. Ms. Ibateilang Warbah 18. Ms. Chename K. Marak
9. Mr. Saljagring R. Sangma 19. Ms. Larinin Kharbithai
10. Mr. Second Khongsdir    

Publications

  1. Observation of a weak intra-residue C5 Hydrogen-Bond in a Dipeptide Containing Gly-Pro Sequence, Satish Kumar, Kamal Mishra, Santosh Singh, Kshetrimayum Borish, Sanjit Dey, Biplab Sarkar, and Aloke Das, J. Chem. Phys. (accepted) 2019. 
  2. Water-Mediated Selenium Hydrogen-Bonding in Proteins: PDB Analysis and Gas Phase Spectroscopy of Model Complexes, Kamal Mishra, Santosh Singh, Satish Kumar, Gulzar Singh, Biplab Sarkar,  Mallur Srivatsan Madhusudhan and Aloke Das,J. Phys. Chem. A. 123, 5995 (2019).
  3. Formation of Criegee intermediates and peroxy acids: a computational study of gas-phase 1,3-cycloaddition of ozone with catechol, Debojit Kumar Deb and Biplab Sarkar, Phys. Chem. Chem. Phys. 21, 14589 (2019).
  4. Theoretical investigation of gas-phase molecular complex formation between 2-hydroxy thiophenol and a water molecule, Debojit Kumar Deb and Biplab Sarkar, Phys. Chem. Chem. Phys. 19, 2466 (2017).
  5. Pyrazole cleavage of tris(3,5-dimethylpyrazolyl)borate with Ruthenium(II) complexes: Synthesis, structural characterization and DFT studies, Donkupar Kharbani, Debojit Kumar Deb, Ibaniewkor L. Mawnai, Sunshine D. Kurbah, Biplab Sarkar, E.K. Rymmai, J. Mol. Struct. 1133, 264 (2017).
  6. The in-vitro antitumor activity of oligonuclear polypyridyl rhodium and iridium complexes against cancer cells and human pathogens, Basava Punna Rao A, Uma A, Chiranjeevi T, M.S. Bethu, Venkateswara Rao J, Debojit Kumar Deb, Biplab Sarkar, Werner Kaminsky, Mohan Rao Kollipara, J. Organomet. Chem. 824,131 (2016).
  7. Impact of deformation energy on the hydrogen bonding interactions in gas phase 3-X catechol…H2O complexes (X = H, F, Cl, Br): The effect of approach of a water molecule, Debojit Kumar Deb and Biplab Sarkar, Chem. Phys. 472, 95 (2016).
  8. Synthesis, structural, DFT studies and antibacterial evaluation of Cp*rhodium and Cp*iridium complexes using hydrazide based dipyridyl ketone ligand, A. Basava Punna Rao, Narasinga Rao Palepu, Debojit Kumar Deb, A. Uma, T. Chiranjeevi, Biplab Sarkar, Werner Kaminsky, and Kollipara Mohan Rao, Inorg. Chimica Acta 443, 126 (2016).
  9. Dynamics study of a three-fold pseudo-Jahn-Teller system using the extended-Longuet-Higgins Formalism, Biplab Sarkar and A.J.C. Varandas, J. Chem. Sc. 124, 115 (2012).
  10. A study of geometrical phase effect on scattering process: validity of the extended- Longuet-Higgins formalism in four-fold Jahn-Teller type model system, Biplab Sarkar and A.J.C. Varandas, Chem. Phys. 389, 81 (2011).
  11. Generalized Born-Oppenheimer treatment of Jahn-Teller systems in Hilbert spaces of arbitrary dimension: theory and application to a three-state model potential, A.J.C. Varandas and Biplab Sarkar, Phys. Chem. Chem. Phys. 13, 8131 (2011).
  12. Effect of surface modes on the six-dimensional molecule–surface scattering Dynamics of H2–Cu(100) and D2–Cu(111) systems, Tapas Sahoo,  Subhankar Sardar, Padmabati Mondal, Biplab Sarkar and Satrajit Adhikari, J. Phys. Chem. A, 115, 5256 (2011).
  13. The single surface beyond Born-Oppenheimer equation for the excited states of Sodium trimer, Amit Kumar Paul, Biplab Sarkar and Satrajit Adhikari, in Recent Advances in Spectroscopy: Theoretical, Astrophysical and Experimental Perspectives, Eds. R. K. Choudhuri, M. V. Mekkaden, A. V. Raveendran, A. Satya Narayanan, Springer-Verlag, Berlin, (2010).
  14. Single surface beyond Born-Oppenheimer equation for a three state model Hamiltonian of Na3 cluster, Amit Kumar Paul, Subhankar Sardar, Biplab Sarkar and Satrajit Adhikari, J. Chem. Phys. 131, 124312 (2009).
  15. A rigorous approach to the formulation of extended Born-Oppenheimer equation for three-state system, Biplab Sarkar and Satrajit Adhikari, Int. J. Quantum Chem. 109, 650 (2009).
  16. A quantum-classical approach to the molecular dynamics of Butatriene cation with a realistic model Hamiltonian, Subhankar Sardar, Amit Kumar Paul, Padmabati Mondal, Biplab Sarkar and Satrajit Adhikari, Phys. Chem. Chem. Phys. 10, 6388 (2008).
  17. Curl condition for a four-state Born-Oppenheimer system employing the Mathieu equation, Biplab Sarkar and Satrajit Adhikari, J. Phys. Chem. A 112, 9868 (2008).
  18. The curl equations for an induced Renner-Teller type model, Biplab Sarkar and Satrajit Adhikari, Indian J. Phys. 81, 925 (2007).
  19. Space-time contours to treat intense field-dressed molecular states. I. Theory, Biplab Sarkar, Satrajit Adhikari and Michael Baer, J. Chem. Phys. 127, 012301 (2007).
  20. Space-time contours to treat intense field-dressed molecular states. II. Applications, Biplab Sarkar, Satrajit Adhikari and Michael Baer, J. Chem. Phys. 127, 012302 (2007).
  21. Do intense electro-magnetic fields annihilate/create conical intersections? Biplab Sarkar, Satrajit Adhikari and Michael Baer, J. Chem. Phys. 126, 014106 (2007).
  22. Extended Born-Oppenheimer equation for a three-state system, Biplab Sarkar and Satrajit Adhikari, J. Chem. Phys. 124, 074101 (2006).
  23. The effect of cluster environment on a chemical reaction, Biplab Sarkar, Deepak K. S. Bhadauria, Nitin Verma and Satrajit Adhikari, Chem. Phys. 328, 338 (2006).
  24. A quantum-classical approach to the molecular dynamics of pyrazine with a realistic model Hamiltonian, Panchanan Puzari, Biplab Sarkar and Satrajit Adhikari, J. Chem. Phys. 125, 194316 (2006).
  25. Matrix representation of vector potential: DVR and TDDVR formulation and dynamics, Panchanan Puzari, Biplab Sarkar and Satrajit Adhikari, Chem. Phys. 324, 497 (2006).
  26. A quantum-classical approach to the photoabsorption spectrum of Pyrazine, Panchanan Puzari, R. S. Swathi, Biplab Sarkar and Satrajit Adhikari, J. Chem. Phys. 123, 134317 (2005).
  27. Quantum dynamics of inelastic scattering with a moving grid, Panchanan Puzari, Biplab Sarkar and Satrajit Adhikari, Int. J. Quantum Chem. 105, 209 (2005).
  28. Quantum-classical dynamics of scattering processes in adiabatic and diabatic representations, Panchanan Puzari, Biplab Sarkar and Satrajit Adhikari, J. Chem. Phys. 121, 707 (2004).

Symposium/Conference Participated (partial list)

  1. Chemistry Colloquium, University of North Bengal, Darjeeling, May 7, 2019, Title of the talk: Hydrogen bonding interactions in gas phase catechol derivatives with a water molecule and 1,3 cyclo-addition of ozone to catechol
  2.  National Seminar on Contemporary Challenges in Chemistry (NSC3-2018), NEHU, Shillong & SNBNCBS, Kolkata, November 20-21, 2018, Title of the poster: Gas phase 1,3-cycloaddition of ozone with catechol: Formation of Criegee intermediates.
  3. National Conference on Electronic Structure, Spectroscopy and Dynamics, IACS Kolkata, February 22-25, 2018. Title of the invited talk: Hydrogen bonding interactions in gas phase 3-halo catechol and 2-hydroxy thiophenol with a water molecule.
  4. 20th CRSI National Symposium in Chemistry, Gauhati University, Guwahati, February 3-5, 2017. Title of the poster: Theoretical studies of gas phase molecular complex formation of substituted catechol and a water molecule.
  5. National Symposium on Emerging Trends in Chemistry (ETC-2016), North-Eastern Hill University, Shillong, March 28-29, 2016, Title of the talk: Impact of deformation energy on the hydrogen bonding interactions present in gas phase 3-X catechol.H2O complexes (X=F, Cl, Br).
  6. International Symposium on Recent Advances in Chemistry (REACH-2015), North-Eastern Hill University, Shillong, March 3-5, 2015, Title of the poster: Generalised Born-Oppenheimer treatment based on Longuet-Higgins phase in 3- & 4-fold electronic manifolds of JT systems.
  7. National Seminar on Newer trends in Chemistry and Environment, Don Bosco College Tura, December 10-11, 2014. Title of the invited talk: Hydrogen bonding interaction in gas phase catechol and 3-halo catechols with water.
  8. National Symposium on Sustainable Chemistry: Frontiers and Challenges (SCFC-2014), North-Eastern Hill University, Shillong, February 27-March 1, 2014, Title of the poster: Non-covalent interaction in halogen substituted catechol.
  9. International Conference on Electronic Structure and Dynamics of Molecules and Clusters, IACS Kolkata, February 17-20, 2013.
  10. National Symposium on Current Trends in Computational Chemistry, North-Eastern Hill University, Shillong, March 16-17, 2012. Title of the invited talk: Extended-Longuet-Higgins formalism for a three and four-fold Jahn-Teller type model system: the geometrical phase effect on scattering processes.
  11. MOLEC 2010, XVIII European Conference of Dynamics on Molecular Systems, University of Coimbra at Curia-Anadia, Portugal, September 5-10, 2010. Title of the poster: Generalized Born-Oppenheimer treatment of Jahn-Teller systems in three and four-fold electronic manifolds and dynamics application to a model potential.
  12. International Conference on Recent Advances in Spectroscopy: Theoretical, Astrophysical and Experimental Perspectives, Indian Institute of Astrophysics, Kodaikanal, January 28-31, 2009. Title of the invited talk: Born-Oppenheimer treatment on the excited states of Na3 cluster.
  13. National Symposium on Quantum Chemistry, Soft Computation and Optimization, IACS, Kolkata, April 4-5, 2008.
  14. International Symposium on High Performance Computing, Vedic Village, Kolkata, January 10-12, 2008. Title of the poster: The curl equation for an Induced Renner-Teller type model.
  15. Spectroscopy and Dynamics of Molecules and Clusters, Jim Corbett National Park, Uttarakhand, February 23-25, 2007. Title of the poster: Curl Condition of the Nonadiabatic Coupling Elements.
  16. National Symposium on Advances in Chemistry and Environmental Impact, North-Eastern Hill University, Shillong, November 2-3, 2006. Title of the poster: Extended Born-Oppenheimer equation for three electronic states.
  17. Symposium on Theoretical Chemistry, BARC, Mumbai, December 9-12, 2004. Title of the poster: Extended Born-Oppenheimer equation for coupled multiple (N≥2) electronic states.

Administrative responsibilities undertaken:

  1. Member of Board of Studies in Department of Chemistry (2014-2020), Department of Botany (2017-20) and Department of Electronics and Communication Engineering (2016-2022), NEHU.
  2. Member of School Board of School of Physical Sciences (2013-2015), NEHU.
  3. Member of the MOOCs committee of the University (2019-), NEHU.
  4. Member of Departmental Research Committee, Department of Chemistry, NEHU.