Supersonic jet spectroscopy and its applications to a) Intramolecular vibrational relaxation and predissociation studies, b) Investigations of novel hydrogen bonds, c) Spectroscopy of small molecules, d) ZEKE and MATI spectroscopy using VUV photons.

“Blue shifted hydrogen bond in 3-methylindole·CHX₃ complexes (X = Cl, F)”, Pranav R. Shirhatti and S. Wategaonkar, Phys. Chem. Chem. Phys. 12, 6650, 2010.

“Structure of the Indole-Benzene Dimer Revisited”, Himansu S. Biswal, Surjendu Bhattacharyya, Pranav R. Shirhatti, Eric Gloaguen, S. Wategaonkar, and Michel Mons, J. Phys. Chem. A, David W. Pratt Festschrift issue, in press.
 

“Sulfur, Not Too Far Behind O, N, and C: SH•••pi Hydrogen Bond”, Himansu Biswal and S. Wategaonkar, J. Phys. Chem. A 113, 12774, 2009.
 

“Nature of the N-H•••S Hydrogen Bond”, Himansu Biswal and S. Wategaonkar, J. Phys. Chem. A  113, 12763, 2009.
 

“O‑H‑‑‑O vs. O‑H‑‑‑S hydrogen bonding I: Experimental and computational studies on the p‑Cresol‑(H₂O)₁ and p‑Cresol‑(H₂S)₁ complexes”, H.S. Biswal, S. Chakraborty, and S. Wategaonkar, J. Phys. Chem. A 113, 5633, 2009: Appeared as the Cover Page Article).

“ZEKE Spectroscopy of Hydroquinone-Water (1:1) complex: A probe for conformer assignment”, S. Chakraborty, P. Misra, and S. Wategaonkar, J. Chem. Phys. 127, 124317 (2007).

“Lifetime Measurements of SO₂ below the Clement’s A-band”, Himansu S. Biswal, S. V. K. Kumar, and S. Wategaonkar, J. Chem. Phys. 128, 204312, 2008.

“Experimental Evidence of O‑H‑‑‑S hydrogen bonding in supersonic jet”, Himansu S. Biswal, Shamik Chakraborty, and S. Wategaonkar, J. Chem. Phys. 128, 184311, 2008.