Infrared Spectra of Two Isomers of the OCS-C_2H_2 and OCS-C_2D_2

Details Infrared Spectra of Two Isomers of the OCS-C_2H_2 and OCS-C_2D_2 Infrared Spectra of Two Isomers of the OCS-C_2H_2 and OCS-C_2D_2

Jun 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009mss..confera01a&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

Spectra of the weakly-bound OCS-C_2H_2 and OCS-C_2D_2 complexes in the region of the OCS νb{1} fundamental (˜2062 wn) are observed in a pulsed supersonic slit jet expansion probed with a tunable diode laser. For each complex two bands are observed and assigned to the near parallel and the T-shape isomers. The ground state rotational and centrifugal distortion parameters were previousely determined from microwave studies. Analysis of the infrared spectra gives accurate band origins as well as rotational and centrifugal distortion parameters for the upper states. All four bands show a red shift with respect to the monomer band origin, with the T-shape isomers having about 5.4 wn larger shift than the corresponding near parallel isomers.
[1] S.A. Peebles and R.L. Kuczkowski, J. Phys. Chem. A 103, 3884 (1999).
[2] S.A. Peebles and R.L. Kuczkowski, Chem. Phys. Lett. 312, 357 (1999).

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