ANJAN CHATTOPADHYAY, Ph.D
Professor
Contact: DEPARTMENT OF CHEMISTRY
BITS-PILANI, K.K.BIRLA GOA CAMPUS
DEPARTMENT OF CHEMISTRY
Phone: 9503199479 (Mob)
Office: (0832)2580 319 (off)
email: anjan@goa.bits-pilani.ac.in
anjan_chattopadhyay@yahoo.com
Date of birth: 2nd OCTOBER 1975
PROFESSIONAL EXPERIENCE (at BITS, PILANI - K.K. BIRLA GOA CAMPUS):
Professor, Chemistry 2021(June)-
Associate Professor, Chemistry 2015(Feb)-2021(May)
Assistant Professor, Chemistry 2006-2015(Jan)
Lecturer, Chemistry 2005(July-December)
EXPERIENCE ABROAD:
Institute of Physical Chemistry, Theoretical Chemistry group, University of Heidelberg, Germany, as a visiting researcher (2015 & 2019) for collaborative research work with Prof. Dr. Horst Köppel.
Administrative and other (institutional/departmental) responsibilities handled:
●Head of the Department, Chemistry, BITS-Pilani, K.K. BIRLA Goa Campus (2015 November-2019 November)
●Doctoral Counseling committee member of BITS-Pilani (2014-2017)
●Member of Senate, BITS-Pilani
●Warden Boys Hostel (2009-2013)
●DLSC Chairperson of Chemistry Department (2021-continuing)
●DCA (Departmental Committee of Academics) Convener of Chemistry Department (2014-2016)
●DRC (Departmental Research Committee) member of Chemistry Department (2013-continuing)
●Nucleus member of Academic research division (2014-15)●Chemistry Department webpage coordinator
●DAC (Doctoral Advisory Committee ) member of Ph.D Students
ACADEMIC QUALIFICATIONS:
Ph.D (SCIENCE) 2004–Jadavpur University, Kolkata, India
M.Sc (CHEMISTRY, Spl-Physical Chemistry) 1998– Calcutta University, Kolkata, India
B.Sc. (CHEMISTRY) 1996 – Calcutta University, Kolkata, India
OTHER QUALIFICATIONS: NET (2000), GATE (2001) qualified
SPECIAL ACHIEVEMENTS:
M.Sc.- Ranked 1st Physical Chemistry (Calcutta University)
Ranked 2nd (Calcutta University),
Ranked 1st Presidency College (Kolkata)
AWARDS :
PROF. SADHAN BASU MEMORIAL AWARD [Calcutta University, Kolkata]
CUNNINGHAM MEMORIAL AWARD [Presidency College, Kolkata]
SIR UPENDRANATH BRAMACHARY MEMORIAL AWARD [Presidency College,Kolkata]
SANDIP SHOME MEMORIAL AWARD [Presidency college, Kolkata]
DETAILS ABOUT RESEARCH WORK:
AREA OF RESEARCH INTEREST: Theoretical & Computational Chemistry
Ph.D Thesis Title: THEORETICAL STUDIES OF ELECTRONIC SPECTRA OF SOME HEAVY DIATOMIC MOLECULES OF MAIN GROUP ELEMENTS
Broad Field of work- Quantum Chemistry, Spectroscopy
Current Research Interest
● Computational Organic Photochemistry
Analysis of Non-radiative decay channels, excited state, conical intersection, transition states Types of systems of interest: Nitrones, Non-polar polyenes, polar iminium ions etc.
UV-Vis and fluorescence spectra analysis of different organic and inorganic compounds & Solvent effect (in collaboration with experimental chemists)
●Analysis of electronic states of Van der Waals molecules
Types of systems of interest: Alkali metal-Rare gas molecules
RESEARCH PROJECTS (Ongoing 1 as PI & Completed 3: 2 as PI & 1 as Co-PI)
| Title of Projects | Role | FundingAgency | Duration | Status |
| 1.A computational investigation on the reaction paths and spectroscopic properties of crown ethers | Principal Investigator | BRNS | 2019-2022 | Ongoing |
| 2. Spectroscopic investigation of the properties of low-lying electronic states of some chemopreventive retinyl nitrones and comparison of their light-induced properties with retinyl iminium ions | Principal Investigator | CSIR |
2012-2015
|
Completed
|
| 3.Spectroscopic properties of some low-lying electronic states of alkali metal-rare gas and alkaline earth metal-rare gas molecules | Principal Investigator | DST | 2010-2013 | Completed |
| 4. Photophysical studies of some selected DNA damage reactions | Co-PI (PI is Prof. Sujit Kumar Ghosh, VNIT, Nagpur) | CSIR | 2012-2015 | Completed |
PhD Students guided:
1. Supervisor of Dr. Praveen Saini [Ph.D Degree Awarded: 2017] (Currently employed at Novartis Healthcare Pvt. Ltd., Hyderabad)
2. Supervisor of Dr. Sindhuja Sen [Ph.D Degree Awarded: 2021]
List of Publications:
●“Unexplored Isomerization Pathways of Azobis(benzo-15-crown-5): Computational Studies on a Butterfly Crown Ether” (https://doi.org/10.1021/acs.jpca.3c02363)
●“A DFT study on the reaction pathway involved in the metal ion-templated synthesis of benzo-21-crown-7(B21C7) from catechol and hexaethylene glycol ditosylate in presence of base” J. Phys. Org. Chem. 36 (2023) e4471
●“Amino-Terephthalonitrile Based Single Benzene Fluorophores with Large Stokes Shifts and Solvatochromic Behavior
"
Tanya Raghava, Anjan Chattopadhyay, Purushothaman Bhavana, Subhadeep Banerjee
●“Revealing the Unexplored Mechanism of Photochemical
Oxaziridine Conversion Process of 2H-imidazole 1-oxides"
Sindhuja Sen, Dilawar Singh Sisodiya, Rajeshwari Nikam, Anjan Chattopadhyay
ChemistrySelect 7 (2022) e202202371 doi.org/10.1002/slct.202202371
●“Exploring the reaction pathway involved in the dibenzo-18-crown-6 synthesis from catechol and bis(2-chloroethyl) ether in presence of base”
https://doi.org/10.1002/poc.4309
●"The mechanism of photoconversion of cyclic dinitrone to oxaziridine and dioxaziridine: A computational investigation of an experimentally reported photochemical reaction"
●"Synthesis
of Green Emitting Multi-substituted Dibenzodioxins and Related
Heteroacenes and Computational Investigation of Substituent Effects on
Emission"
Apeksha Ashok Phadte, Anjan Chattopadhyay, Subhadeep
Banerjee, Dilawar Singh Sisodiya, Tanya Raghava ChemistrySelect 5 (2020) 10177
●“An Investigation on the Unexplored Photochemistry of 5,5-Dimethyl-1-Pyrroline 1-Oxide (DMPO)"
Sindhuja Sen, Yasaswini Oruganti, Anjan Chattopadhyay J. Phys. Chem A 123 (2019) 163
●“A Computational Study on the Photochemistry of 2,4,4‐Trimethyl‐1‐pyrroline 1‐Oxide and Investigation on the Reaction Paths of Its Photoproduct Oxaziridine"
Sindhuja Sen, Anjan Chattopadhyay ChemistrySelect 4 (2019) 12203
●"A computational investigation on the photo-isomerization of 2,4,6-octatriene and its UV-visible spectrum"Anjan Chattopadhyay, Praveen Saini, Raymond Hakim, Adrian Komainda, Horst Köppel, Chem.Phys. 509 (2018) 98
●"Synthesis and photophysical characterization of heterocyclic dihydrotetracenes and their utility in the fluorescence imaging of HeLa cells"
Subhadeep Banerjee, Apeksha Ashok Phadte, Anjan Chattopadhyay, Joseph R. D. Fernandes, Akanksha Vinod Savardekar, Arnab Banerjee, Keisham Sarjit Singh Tetrahedron Lett. 59 (2018) 3787
●“Synthesis and electronic properties of ester substituted 1,4-dicyanodibenzodioxins and evaluation of anti-proliferative activity of all isomeric 1,2-, 2,3- and 1,4-dicyanodibenzodioxins against HeLa cell line”
Subhadeep Banerjee, Anjan Chattopadhyay, Joseph R. D. Fernandes, Arnab Banerjee, Apeksha A Phadte, Akanksha V Savardekar, Keisham S Singh, Bioorg. Med. Chem. Lett. 27 (2017) 4284
●“Spectroscopic, electrochemical and DNA binding studies of some monomeric copper(II) complexes containing N2S(thiolate)Cu core and N4S(disulfide)Cu core"
●"Exploring the isomerization paths of push-pull hexatrienes"Anjan Chattopadhyay, Praveen Saini and Riddhish Pandharkar RSC Advances 6 (2016) 88433
Praveen Saini, Mainak Banerjee and Anjan Chattopadhyay J. Phys. Chem A 120 (2016) 396
●“Revealing the active role of the terminal CNO moiety in the photochemical oxaziridine conversion process of some chemopreventive retinylnitrones through hybrid QM:QM and QM:MM ONIOM calculations”
Praveen Saini and Anjan Chattopadhyay Chem.Phys.Lett. 633 (2015) 6
●“A comprehensive spectroscopic investigation of α-(2-naphthyl)-N-methylnitrone: A computational study on photochemical nitrone-oxaziridine conversion and thermal E-Z isomerization processes”
Praveen Saini and Anjan Chattopadhyay RSC Advances 5 (2015) 22148
●"Amine functionalized tetraphenylethylene: A novel aggregation–induced emission based fluorescent chemodosimeter for nitrite and nitrate ions”
Amrita Chatterjee, Dipratn G. Khandare, Praveen Saini, Anjan Chattopadhyay, Mahesh S. Majik, Mainak Banerjee, RSC Advances 5 (2015) 31479
●“A computational investigation of the photochemical oxaziridine and amide conversion process of open-chain conjugated nitrone with electron-withdrawing trifluoromethyl group on nitrogen”
Praveen Saini and Anjan Chattopadhyay J. Chem.Sci. 127(2015) 1757
●"Spectroscopic studies for the changes of a Cr(II) compound in solution triggered by the deprotonation of an aqua ligand"
Manjuri K. Koley, Amrita Chatterjee, Anjan Chattopadhyay, Periakaruppan T. Manoharan, Aditya P. Koley, J.Coord. Chem 68 (2015) 2065
●"Synthesis and photophysical characterization of quasi push–pull dicyanodibenzodioxins and their anti-tumor activity against glioma cell line C6"
Subhadeep Banerjee, Anjan Chattopadhyay, Arnab Banerjee, Meera Haridas, Praveen Saini,
Moitreyi Das, Mahesh S. Majik, Yogesh Kr. Maurya, Bioorg. Med. Chem. Lett. 25 (2015) 753
●"Design, Synthesis, Physicochemical Studies, Solvation, and DNA Damage of
Quinoline-Appended Chalcone Derivative: Comprehensive Spectroscopic Approach toward Drug Discovery”
Himank Kumar, Anjan Chattopadhyay, R. Prasath, Vinod Devaraji, Ritika Joshi, P. Bhavana, Praveen Saini, and Sujit Kumar Ghosh J.Phys.Chem. B 118 (2014) 7257
Praveen Saini and Anjan Chattopadhyay RSC Advances 4 (2014) 20466
●“An aggregation-induced emission based “turn-on” fluorescent chemodosimeter for the selective detection of ascorbate ions" Dipratn G. Khandare, Vikas Kumar, Anjan Chattopadhyay, Mainak Banerjee, Amrita Chatterjee
RSC Advances 3 (2013) 16981
●“A comparative spectroscopic study of the excited electronic states of potassium-neon and potassium-helium systems”
Anjan Chattopadhyay Eur.Phys. J. D 66 (2012) 325
●“Spectroscopic properties of the low-lying electronic states of RbHen (n = 1, 2) and their comparison with lighter alkali metal-helium systems”
Anjan Chattopadhyay J. Phys. B: At. Mol. Opt. Phys. 45 (2012) 035101
●“Comparative study of spectroscopic properties of the low-lying electronic states of 2,4-pentadien-1-iminium cation and its N-substituted analogues”
Anjan Chattopadhyay J. Chem.Sci. 124 (2012) 985
●“Spectroscopic features of the low-lying electronic states of some sodium-helium and potassium-helium van der Waals systems”
Anjan Chattopadhyay J. Phys. B: At. Mol. Opt. Phys. 44 (2011) 165101
●“A comparative study of the spectroscopic features of the low-lying electronic states of H2F+ and H2Cl+ ions” Anjan Chattopadhyay J.Chem. Sci. 122 (2010) 259
●”Study of excess thermodynamic properties of multicomponent liquid mixtures” Ranjan Dey, Anjan Chattopadhyay, Ashish K. Sharma, J.D. Pandey J. Mol. Liqs 147 (2009) 155
●“Electronic States of TlX (X= As, Sb, Bi): A Configuration Interaction Study”
Anjan Chattopadhyay, Kalyan Kumar Das J.Phys. Chem.A 108 (2004) 7306
●“Electronic spectrum of SiO+: a theoretical study”
Surya Chattopadhyaya, Anjan Chattopadhyay, Kalyan Kumar Das Journal of Molecular Structure (Theochem) 639 (2003) 177
●“Electronic Spectroscopy of the AlSb Molecule: A Theoretical Study”
Anjan Chattopadhyay, Kalyan Kumar Das J.Phys. Chem.A 107 (2003) 6047
●“Configuration Interaction Study of the Low-Lying Electronic States of Silicon Monoxide”
Surya Chattopadhyaya, Anjan Chattopadhyay, Kalyan Kumar Das
J.Phys. Chem.A 107 (2003) 148
●“Low-lying electronic states of InBi: a configuration interaction study”
Anjan Chattopadhyay, Surya Chattopadhyaya, Kalyan Kumar Das Journal of Molecular Structure(Theochem) 625 (2003) 95
●“Configuration Interaction Study of the Low-Lying Electronic States of GaBi”
Anjan Chattopadhyay, Surya Chattopadhyaya, Kalyan Kumar Das
J.Phys. Chem.A 106 (2002) 2685
●“Electronic Spectrum of Silicon Monosulfide:Configuration Interaction Study” Surya Chattopadhyaya, Anjan Chattopadhyay, Kalyan Kumar Das J.Phys. Chem.A 106 (2002) 833
●“Multireference Singles and Doubles Configuration Interaction Study of the Electronic States
of GaSb” Antara Dutta, Anjan Chattopadhyay, Kalyan Kumar Das J.Phys. Chem.A 104
(2000) 9777
As Reviewer of Journals
Reviewed papers for:
ACS Omega (American Chemical Society),
Journal of Chemical Physics (American Institute of Physics),
Molecular Physics (Taylor & Francis),
Journal of Physical Organic Chemistry (Wiley),Chemical Papers (Springer),
Journal of the Indian Chemical Society (Elsevier)
Conference/Symposium/Seminar
Presentations Abroad
•Delivered invited talk in the Kliener Horsaal, INF 252 at the Theoretical Chemistry Group, Institute of Physical Chemistry, University of Heidelberg, Germany (8th July 2019). Title of talk- "Computational studies on some photochemical reactions involving conical intersection".
•Delivered a talk at the 4th International Conference on Physical and Theoretical Chemistry during September 18-19, 2017 at Dublin, Ireland -Title of the Talk-“A computational investigation of the photochemical oxaziridine conversion process of some experimentally analyzed small-chain conjugated nitrones”.
•Anjan Chattopadhyay, "Photochemical reaction pathways of some nitrone systems", at 9th Molecular Quantum Mechanics (MQM) at Kongresshaus Stadthalle Heidelberg, Germany (30th June - 5th July).
Presentations in India
• Delivered invited talk at the 16th TCS (Theoretical Chemistry Symposium) 2019, BITS-Pilani, Pilani Campus during February 13-16, 2019- Title of the Talk- “Oxaziridine and Lactam Conversion Pathways of Some Cyclic Nitrone Systems”.
• Delivered invited talk at the DAE-CCS (Computational Chemistry Symposium) 2019, Bhabha Atomic Research Centre (BARC), Mumbai during November 7-9, 2019- Title of the Talk- “Differences in the photo-chemical reaction paths of conjugated acyclic nitrones, protonated Schiff bases and neutral polyenes”.
• Delivered a talk at the NFCFA 2017, BITS-Pilani, K.K.Birla Goa Campus during January 28-29, 2017- Title of the Talk- “Isomerization channels of donor-acceptor hexatrienes through conical intersections”.
• Delivered a talk at the NFCFA 2015, BITS-Pilani, K.K.Birla Goa Campus during Dec 18-19, 2015- Title of the Talk- “Exploring the Nitrone-Oxaziridine photo-conversion path through computational studies”.
•Anjan Chattopadhyay “Properties of the low-lying electronic states of 2,4-pentadien-1-iminium ion and its N-substituted analogues” at 19th ISCB International Conference (ISCBC-2013) "RECENT ADVANCES ANDCURRENT TRENDS IN CHEMICAL AND BIOLOGICAL SCIENCES” 2nd - 5th March, 2013 at Udaipur, Rajasthan
•Anjan Chattopadhyay “Predissociation of the heavier halonium ions through conical intersection along the symmetric stretching path" at the 14th CRSI National Symposium in Chemistry at NIIST, Trivandrum, Kerala on Jan. 31-Feb.3, 2012.
•Riddhish Pandharkar and Anjan Chattopadhyay* "Computational Investigations on the Charge Transfer Excited States of Some Fluorescent Push-Pull Systems" at NFCFA 2015, BITS-Pilani, K.K.Birla Goa Campus, 18-19 Dec 2015, (Won the second best poster award)
Dilawar Singh Sisodiya and Anjan
Chattopadhyay* "A computational investigation on the role of
nitro group in quenching the fluorescence of some highly fluorescent molecules through
analysis of the non-radiative decay paths" at the 57th Annual Convention of
Chemists & RTCS-2020, organized by Indian Chemical Society, December 26-29,
2020
•Sindhuja Sen and Anjan Chattopadhyay* "Computational studies on the reaction pathways of some cyclic nitrone systems leading to cyclic amides" at the DAE-CCS (Computational Chemistry Symposium) 2019, Bhabha Atomic Research Centre (BARC), Mumbai during November 7-9, 2019,
•Praveen Saini and Anjan Chattopadhyay* "Photochemical oxaziridine conversion and thermal E-Z isomerization processes of fluorescent α-(2-naphthyl)-N-methylnitrone: A Computational Study" at AMAN 2016, BITS-Pilani, K.K.Birla Goa Campus, 11-12 Jan 2016,
•Praveen Saini and Anjan Chattopadhyay* "Computational investigations on the photochemical oxaziridine conversion and thermal E-Z isomerization processes of N-methyl retinylnitrone" at NFCFA 2015, BITS-Pilani, K.K.Birla Goa Campus, 18-19 Dec 2015,
•Rakshith Chandra M S, Riddhish Pandharkar and Anjan Chattopadhyay* "A Computational Study of the Solvent Effects on the Excited States of some Fluorescent Push-pull Systems " at NFCFA 2017, BITS-Pilani, K.K.Birla Goa Campus, 28-29 Dec 2017,
•Praveen Saini and Anjan Chattopadhyay* “A comparative study of the non-radiative decay channels in conjugated long-chain iminium ions and nitrones” at 16th CRSI National Symposium in Chemistry, Department of Chemistry, IIT-Bombay, 2014
•Praveen Saini and Anjan Chattopadhyay* “Effects of electron-donating and electron-withdrawing groups on the photochemistry of conjugated N-substituted open-chain nitrones" at 17th CRSI National Symposium in Chemistry, Department of Chemistry, NCL, Pune 2015
Other roles in conferences
•Member of organizing committee of DAE-CCS (Computational Chemistry Symposium) 2019, Bhabha Atomic Research Centre (BARC), Mumbai
•Chaired a session at ICAIEFA 2022
•Chaired a session at NFCFA 2019
• Co-chaired a session at NFCFA 2017
•Member of Jury committee for poster competitions at DAE-CCS (Computational Chemistry Symposium) 2019, Bhabha Atomic Research Centre (BARC), Mumbai
•Member of organizing committee of ICAIEFA 2022
Teaching:
Courses taught for M.Sc, B.E. and Ph.D level
●CHEMISTRY I (Physical Chemistry course)
●ATOMIC & MOLECULAR STRUCTURE (Quantum Chemistry course)
●PHYSICAL CHEMISTRY II (Quantum Chemistry course)
●PHYSICAL CHEMISTRY III (Group Theory, Quantum Chemistry course)
●ADVANCED INORGANIC CHEMISTRY (Group Theory Course)
●CHEMICAL APPLICATIONS OF GROUP THEORY (Group Theory Course)●ELECTRONIC STRUCTURE THEORY (Advanced Quantum Chemistry Course)
●CHEMICAL THERMODYNAMICS (Thermodynamics course)
●CHEMISTRY II (Inorganic & Organic course)
●INTRODUCTION TO ENVIRONMENTAL STUDY (Environmental science Course)
●MEASUREMENT TECHNIQUES I (Lab Course)
●CHEMISTRY LABORATORY (Lab Course)
●COMPUTER PROJECT
●STUDY-ORIENTED PROJECT●DESIGN PROJECT
Membership of Scientific bodies:
●Life member of Indian Society of Chemists and Biologists (ISCB)
●Life member of Chemical Research Society of India (CRSI)