As long as I live so long will I learn - Sri Ramakrishna

Brahmachari Prasenjit

Name: Brahmachari Prasenjit

Area of Research: Theoretical Molecular Spectroscopy

Contact address:

91-33-2654-9999,

Education and Work Experience:

  1. 2012 (July) – 2021 (February): Ph.D. Chemistry, under the supervision of Prof. Mangala Sunder Krishnan, Department of Chemistry, Indian Institute of Technology Madras, Chennai – 600036, Tamil Nadu, India. (Specialization – Theoretical Molecular Spectroscopy)
  2. 2010 – 2012: M.Sc. Chemistry, Department of Chemistry, Indian Institute of Technology Madras, Chennai – 600036, Tamil Nadu, India. (M.Sc. final year project in Bioinorganic Chemistry).
  3. 2007 – 2010: B.Sc. Chemistry (Honours), Ramakrishna Mission Residential College, Narendrapur affiliated to University of Calcutta, Kolkata – 700103, West Bengal, India.

Ph.D. Thesis: “Coriolis Interactions in High Resolution Microwave Spectra of Benzene-Water and Related Molecular Complexes”

M.Sc. Project: “Structural and Spectroscopic Studies of Novel Mononuclear Cobalt (II) Complexes with an N-Bidentate Ligand”

Research Experiences:

  1. Theory: (i) Molecular Hamiltonian, (ii) Podolsky method, (iii) Eckart conditions, (iv) Watson Hamiltonian, (v) Contact transformation, (vi) Torsion-rotation reduced Hamiltonian, (vii) Principal axis method, (viii) l-type doubling Hamiltonian, (ix) Atoms in molecules.
  2. Programming & Computations: (i) Unix/Windows, (ii) Fortran, (iii) LaTex, (iv) Python.

Research Interests:

(a) Theoretical aspect of molecular spectroscopy, (b) Computational chemistry, (c) Hydrogen bonding, (d) Molecular symmetry to understand floppy molecules, (e) Understanding the infrared spectrum of CH5+ , (f) Understanding the microwave spectra of benzene dimer, (g) l-type doubling Hamiltonian’s applicability on wider range of van der Waals complexes, (h) Group theory, and (i) Graph theory in chemistry.

Research Articles (Published):

  • Prasenjit Halder, Mangala Sunder Krishnan, and E. Arunan. Coriolis interactions in benzene-water and related molecular complexes. J. Mol. Spectrosc., 370:111277, 2020.

Teaching Experiences:

Teaching assistant at Indian Institute of Technology Madras for (a) Quantum Chemistry (B. Tech), (b) Physical Chemistry Practical (B. Tech), (c) Chemistry I: Introduction to Quantum Chemistry and Molecular
Spectroscopy (Online NPTEL), (d) Chemistry II: Molecular Spectroscopy (Online NPTEL)

Teaching Interests:

(a) Quantum Chemistry and Group Theory, (b) Molecular Symmetry and Spectroscopy, (c) Mathematical Chemistry, (d) Reaction Dynamics, (e) Thermodynamics, (f) Statistical Mechanics.

Awards and Fellowships:

  1. Merit Cum Means Scholarship 2007-2010, West Bengal Govt.
  2. INSPIRE Scholarship 2007-2012, DST, India Govt.
  3. JAM in Chemistry 2010
  4. CSIR-UGC NET/JRF in Chemical Science, May 2012
  5. GATE in Chemistry 2012

Conference Participation:

  1. Presented a paper titled “Microwave Spectra of Benzene-Water van der Waals Complexes” in “Chemistry in-House Symposium – 2016” on 17th August, 2016 at Department of Chemistry, IIT Madras, Chennai,
    India – 600036.
  2. Presented a poster titled “Microwave Spectra of Benzene-Water van der Waals Complexes” in “15th Indian Theoretical Chemistry Symposium” during 14th-17th December 2016 at University of Hyderabad,
    Hyderabad, India – 500046.
  3. Presented a poster titled “Microwave Spectrum of Benzene-Water Complexes Revisited” in “Spectroscopy and Dynamics of Molecules and Clusters” during 16th-19th February 2017 at Pondicherry, India.
  4. Presented a poster titled “Assigning Microwave Spectra of Benzene-Water Dimer and Neon-Benzene- Water Trimer Complexes” in “Spectroscopy and Dynamics of Molecules and Clusters” during 15th-18th February 2018 at Dooars, India.