The - CO_2--ACETYLENE Complex: Fundamental and Torsional Combination Band in the CO_2 ν_3 Region

Details The - CO_2--ACETYLENE Complex: Fundamental and Torsional Combination Band in the CO_2 ν_3 Region The - CO_2--ACETYLENE Complex: Fundamental and Torsional Combination Band in the CO_2 ν_3 Region

Jun 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011mss..confeti04l&link_type=abstract

"International Symposium On Molecular Spectroscopy, 66th Meeting, Held 20-24 June, 2011 at Ohio State University. http://molspec

Physics

Infrared/Raman

Scientific paper

Infrared spectrum of the weakly-bound CO_2-C_2H_2 complex in the region of the CO_2 ν_3 fundamental band (˜ 2349 Cm-1) is observed in a pulsed supersonic slit jet expansion using a tunable diode laser probe. Two bands are observed and analyzed: the fundamental (C-O asymmetric stretch) and a combination involving the intermolecular torsional (out-of-plane bend) vibration. The resulting torsional frequency is 44.385(10) Cm-1. This represents the first observation of an intermolecular frequency for carbon dioxide-acetylene complex. A comparison between the results obtained here and those previously reported for N_2O-C_2H_2 complex is discussed.
M. Dehghany, Mahin Afshari, J. Norooz Oliaee, N. Moazzen-Ahmadi, A. R. W. McKellar, Chem. Phys. Lett. 473 (2009), 26-29.

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