Physics
Scientific paper
Jun 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009mss..confera04o&link_type=abstract
"International Symposium On Molecular Spectroscopy, 64th Meeting, Held 22-26 June, 2009 at Ohio State University. http://molspec
Physics
Infrared/Raman
Scientific paper
A second isomer of OCS-CS_{2} complex, with a nonplanar cross-shaped structure, has been studied for the first time by analysing an infrared band in the region of the OCS stretching vibration (2062 cm^{-1}). This isomer has C_{s} symmetry and the observed band consists of purely c-type rotational transitions. The ground state rotational parameters are found to be A=0.07306 cm^{-1}, B=0.03325 cm^{-1} and C=0.02879 cm^{-1}, in good agreement with a previous semi-empirical calculation. In addition, a hybrid band with a- and b-type rotational transitions has been assigned to be due to the known planar form of OCS-CS_{2}, as previously studied by microwave spectroscopy. The spectra were recorded using a rapid-scan tunable diode laser spectrometer to probe a pulsed supersonic jet expansion. Calculations indicate that the planar isomer of OCS-CS_{2} is the lowest in energy, in contrast to CO_{2}-CS_{2} where the crossed form is believed to be the lowest.
J. J. Newby, M. M. Serafin, R. A. Peebles and S. A. Peebles, Phys. Chem. Chem. Phys. 7, 487 (2005).
C. C. Dutton, D. A. Dows, R. Eikey, S. Evans and R. A. Beaudet, J. Phys. Chem. A 102, 6904 (1998).
Afshari Mahin
Dehghany M.
McKellar A. R. W.
Moazzen-Ahmadi Nasser
Norooz Oliaee J.
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