Dr. Ranganathan Subramanian

Research Areas:Spectroscopy, Computational, Instrumentation development, Physical Chemistry

Ph.D Students:

Samiyara Begum

Jagannath Pal

Biswadeep Bomzon

Kanika guleria

Professional Experience:

• Postdoctoral Associate University of Arizona
• Postdoctoral Associate Tulane University
• Visiting Assistant Professor New College of Florida

Member of Professional bodies:

• American Chemical Society
• Life member of Chemical Research Society of India

Conferences:

• Theoretical Study of Structural and Optical properties of Li⁺ (H₂O)_n Clusters, 16^th Indian Theoretical Chemistry Symposium, BITS Pilani, February 2019.
• Theoretical Study of Hydrogen Abstraction in Gas Phase Reaction of N (²D) + HOX (Cl, Br), 16^th Indian Theoretical Chemistry Symposium, BITS Pilani, February 2019.
• Theoretical Investigation of N(⁴S) + HOX ( Cl ,Br ) Reaction, 15^th Indian Theoretical Chemistry Symposium, Hyderabad, December 2016.
• Gas-Phase Linear Ion-Molecule Complexes of OCH+- CO, OCH+- OC, and XCH+-N2 (X=O, S): A Theoretical Analysis, 51st Symposium on Theoretical Chemistry University of Potsdam, Germany, September 2015.
• SUPERMOLECULAR and SAPT ANALYSIS OF SO2-O2 and SO2-N2 van der WAALS COMPLEXES and ATMOSPHERIC SIGNIFICANCES, 51st Symposium on Theoretical Chemistry University of Potsdam, Germany, September 2015.
• Ab initio calculations and its Applications in Atmospheric Sciences, for National Science Day, Patna University, February 2015 (Invited Talk)

• Theoretical Studies on Atmospheric H-abstraction Reaction of Methanol by ClO and BrO Radicals, International Conference on Harnessing Natural Resources for Sustainable Development-Global Trend, January 2014
• Theoretical investigation on Energetics and Spectroscopic Properties of Linear Cation Molecule, XCH+-N2 (X=O, S) Complexes in Gas-Phase, The 14th Theoretical Chemistry Symposium, CSIR- NCL, Pune, December 2014
• Computational Investigation on Mechanism and Thermochemistry of Chlorine radical Reaction with Tetrahydrofuran in Gas-Phase,Symposium on Theoretical and Computational Chemistry – Frontier and Challenges (STCC-FC), June 2013.
• Structure and Energies of the O2 and SO2 Complexes: A Theoretical Study, Current Trends in Theoretical Chemistry (CTTC-2013), September 2013.
• SYNTHESIS OF STRAINED RING COMPOUNDS: PRECURSORS TO SIMPLE DISILYNES VIA MOLECULAR BEAM METHODS, 234th ACS National Meeting, Boston, MA, USA, August 2007.
• THE STRUCTURE OF ETHYNYLFERROCENE USING MICROWAVE SPECTROSCOPY, International Symposium on Molecular Spectroscopy, Ohio State University, Columbus, USA. June 2005.
• GAS PHASE STRUCTURE DETERMINATION OF FERROCENE CARBOXALDEHYDE USING FOURIER TRANSFORM MICROWAVE SPECTROSCOPY, International Symposium on Molecular Spectroscopy, Ohio State University, Columbus, USA. June 2005.
• ROTATIONAL SPECTRUM OF THE CYCLOPENTADIENYL NICKEL ALLYL COMPLEX, International Symposium on Molecular Spectroscopy, Ohio State University, Columbus, USA. June 2004.
• TORSIONAL ANALYSIS OF 2-BUTYNOL AND 2-PENTYNE., International Symposium on Molecular Spectroscopy, Ohio State University, Columbus, USA. June 2003.
• TORSIONAL ANALYSIS OF 2-BUTYNOL, International Symposium on Molecular Spectroscopy, Ohio State University, Columbus, USA. June 2002.
• 2-BUTYNOL: TORSIONAL ANALYSIS OF A MOLECULE OF POSSIBLE ASTRONOMICAL INTEREST, Nineteenth Austin Symposium on Molecular Structure, USA. March 2002.
• FT MICROWAVE STRUCTURE AND NUCLEAR QUADRUPOLE COUPLING ANALYSIS OF SIX ISOTOPOMERS OF THE ARGON-CHLOROCYCLOBUTANE VAN DER WAALS COMPLEX,International Symposium on Molecular Spectroscopy, Ohio State University, Columbus, USA.June 2001.
• SEARCHING FOR RADICALS, Northeast Microwave Symposium, UCONN, CT., USA. April 2000.
• FOURIER TRANSFORM MICROWAVE SPECTROSCOPY OF THE CONFORMERS OF PERFLUOROBUTANE, International Symposium on Molecular Spectroscopy, Ohio State University, Columbus, USA. June 1998.

Publications:

• Theoretical studies of hydrogen abstraction from H₂X and CH₃XH (X = O, S) by trichloromethyl radicals,  Jagannath Pal and Ranga Subramanian,  Phys. Chem. Chem. Phys. , 2019, 21, 6525-6534, DOI: 10.1039/C8CP07677D.
• Theoretical investigation of N (²D) + HOX (Cl, Br) reaction, Jagannath Pal and Ranga Subramanian, Mol. Phys. , 2018, 117:2, 228-240, DOI: 10.1080/00268976.2018.1508779.
• Rapid synthesis of polysubstituted phenanthridines from simple aliphatic/aromatic nitriles and iodo arenes via Pd(II) catalyzed domino C–C/C–C/C–N bond formation, Yogesh Jaiswal, Yogesh Kumar, Jagannath Pal, Ranga Subramanian, and Amit Kumar*, Chem. Commun., 2018, 54, 7207, DOI: 10.1039/c8cc03556c.
• Primary Amide Directed Regioselective ortho-C–H-Arylation of (Aryl)Acetamides, Yogesh Jaiswal, Yogesh Kumar, Rima Thakur Jagannath Pal, Ranga Subramanian, and Amit Kumar*, J. Org. Chem., 2016, 81, 12499–12505, DOI: 10.1021/acs.joc.6b02353.
• Multicomponent Reactions of Arylglyoxal, 4-Hydroxycoumarin, and Cyclic 1,3-C,N-Binucleophiles: Binucleophile DirectedSynthesis of Fused Five and Six Membered N-Heterocycles. Md.Lokman H. Choudhury*, Richa Mishra, Anoop KumarPanday, Jagannath Pal, Ranga Subramanian, and AjayVerma, Eur. J. Org. Chem. 2017, 10.1002/ejoc.201700115.
• A theoretical investigation of the energetic and spectroscopic properties of the gas-phase linear proton-bound cation–molecule complexes, XCH+–N2 (X = O, S) , Samiyara Begum and Ranga Subramanian, J MolModel., 2016, 22, DOI: 10.1007/s00894-015-2866-z
• Disruption of the self-molecular association of pentanol in binary mixtures with alkylbenzoates: a dielectric relaxation spectroscopy study, Samiyara Begum, Abhinay Vardhan, Atul Chaudhary and Ranga Subramanian, RSC Adv., 2016, 6, 1260-1267 DOI: 10.1039/C5RA18716H.
• Theoretical Studies on Gas-Phase Kinetics and Mechanism of H-abstraction Reaction from Methanol by ClO and BrO Radicals, Samiyara Begum and Ranga Subramanian, RSC Adv., 2015, DOI: 10.1039/C5RA06483J.
• Bonding and Spectroscopic properties of Complexes of SO2-O2 and SO2-N2 and its atmospheric consequences, Samiyara Begum and Ranga Subramanian, Phys.Chem.Chem.Phys., 2014, 16, 17658 – 17669. DOI: 10.1039/c4cp01084a.
• Reaction of chlorine radical with tetrahydrofuran: a theoretical investigation on mechanism and reactivity in gas phase, Samiyara Begum and Ranga Subramanian, J Mol Model., 2014, 20:2262. DOI: 10.1007/s00894-014-2262-0.
• Production of a Slit Skimmer for use in Cold Supersonic Molecular Beams, Ranga Subramanianand Mark Sulkes, Rev. Sci. Instrum. 2008, 79(1), 016101/1 016101/3.
• High-Resolution Infrared Spectrum of the ν1 band of η5-C5H5NiNO, Chandana Karunatilaka, Ranga Subramanian, Davian Pedroza, Deanne J. Idar, Stephen G. Kukolich, Journal of Physical Chemistry A 2007, 111(28), 6191-6196.
• The Gas Phase Structure of Ferrocenealdehyde using Microwave Spectroscopy, Ranga Subramanian, Chandana Karunatilaka, Riley O. Schock, Brian J. Drouin, Paul A. Cassak and Stephen G. Kukolich, Journal of Chemical Physics, 2005, 123(5), 054317/1-054317/8.
• The Gas Phase Structure of Ethynylferrocene using Microwave Spectroscopy, Ranga Subramanian, Chandana Karunatilaka, Kristen S. Keck, Stephen G. Kukolich. Inorganic Chemistry, 2005, 44(9), 3137-3145.
• Microwave Measurements of 14N and D Quadrupole Coupling for (Z)-2-Hydroxypyridine and 2-Pyridone Tautomers, Chakree Tanjaroon, Ranga Subramanian, Chandana Karunatilaka, Stephen G. Kukolich. Journal of Physcial Chemistry A, 2004, 108(44), 9531-9539.
• 2-BUTYNOL: Torsional analysis of a molecule, Ranga Subramanian, Robert K. Bohn, and Stewart E. Novick. Journal of Molecular Spectroscopy, 2003, 222(1), 57-62.
• FT Microwave Structure and Nuclear Quadrupole Coupling Analysis of Six Isotopomers of the Argon-Chlorocylcobutane van der Waals complex. Ranga Subramanian, J.M. Szarko, Stewart E. Novick, and W.C.Pringle. Journal of Molecular Structure, 2005, 742(1-3), 165-172.
• Rotational spectra of gauche perfluoro-n-butane, C4F10; perfluoro-iso-butane, (CF3)3CF; and tris(trifluoromethyl)methane, (CF3)3CH. Michaeleen Munrow, Ranga Subramanian, Andrea Minei, Dean Antic, Matthew MacLeod, Josef Michl, Raul Crespo, Mari Carmen Piqueras, Mitsuaki Izuhai, Tomohiro Ito, Yoshio Tatamitani, Kenji Yamanou, Teruhiko Ogato, Stewart E. Novick Journal of Molecular Spectroscopy , 2007, 242(2), 129-138.