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Our research focuses on molecular and van der Waals spectroscopy, chemical kinetics and dynamics and inter-intramolecular bonding. Our laboratory uses home-build facilities to do experiments and also carries out computational and modeling work to enhance our understanding.
We have built the first Pulsed Nozzle Fourier Transform Microwave Spectrometer in India. This is being used to study the rotational spectra of weakly bound complexes formed in a supersonic expansion. Based on the bulk properties, Pauling had concluded that water being a liquid can form hydrogen bonds and hydrogen sulphide remains a gas as it has weak van der Waals interactions. After a detailed investigations of a series of complexes formed by H2O and H2S, we showed that both can form hydrogen bonds. Following our efforts, IUPAC changed the definition of hydrogen bond in 2011. Microwave spectroscopic and theoretical investigations on argon-proparhyl alcohol led us to the 'carbon bonding', analogous to the hydrogen bonding. Our work on 'carbon bonding' has in a way completed the quest of chemists to find intermolecular bonding by atoms beyond hydrogen.
We have built the first Pulsed Nozzle Fourier Transform Microwave Spectrometer in India. This is being used to study the rotational spectra of weakly bound complexes formed in a supersonic expansion. Based on the bulk properties, Pauling had concluded that water being a liquid can form hydrogen bonds and hydrogen sulphide remains a gas as it has weak van der Waals interactions. After a detailed investigations of a series of complexes formed by H2O and H2S, we showed that both can form hydrogen bonds. Following our efforts, IUPAC changed the definition of hydrogen bond in 2011. Microwave spectroscopic and theoretical investigations on argon-proparhyl alcohol led us to the 'carbon bonding', analogous to the hydrogen bonding. Our work on 'carbon bonding' has in a way completed the quest of chemists to find intermolecular bonding by atoms beyond hydrogen.
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S. Chakraborty,S. N. Yurchenko, R. Georges, A. Simon, O. Lacinbala, V. Chandrasekaran, V. Jayaram, E. Dartois, S. Kassi,A. Gusdorf, P. Lesaffre, G. Jagadeesh,
ASTRONOMY & ASTROPHYSICS (2024)
ACS EARTH AND SPACE CHEMISTRYno. 2 (2023): 388-403
COMBUSTION AND FLAME (2023): 112776-112776
Physical chemistry chemical physics : PCCPno. 34 (2023): 22583-22594
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COMBUSTION AND FLAME (2023): 112773-112773
Journal of the Indian Institute of Scienceno. 3 (2023): 675-676
Spectroscopy and Computation of Hydrogen‐Bonded Systemspp.293-343, (2022)
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