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The weakly-bound CO2-acetylene complex: Fundamental and torsional combination band in the CO2 ν3 region

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Lauzin, Clément [UCL] Oliaee, J.N. Rezaei, M. Moazzen-Ahmadi, N.

Infrared spectrum of the weakly-bound CO2-C2H 2 complex in the region of the CO2 ν3 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 N2O-C2H2 complex is discussed.

Document type Article de périodique (Journal article) – Article de recherche
Publication date 2011
Language Anglais
Journal information "Journal of Molecular Spectroscopy" - Vol. 267, no. 1-2, p. 19-22 (2011)
Peer reviewed yes
Publisher Academic Press ((United States) Maryland Heights)
issn 0022-2852
e-issn 1096-083X
Publication status Publié
Affiliation UCL - SST/IMCN/NAPS - Nanoscopic Physics
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Bibliographic reference Lauzin, Clément ; Oliaee, J.N. ; Rezaei, M. ; Moazzen-Ahmadi, N.. The weakly-bound CO2-acetylene complex: Fundamental and torsional combination band in the CO2 ν3 region. In: Journal of Molecular Spectroscopy, Vol. 267, no. 1-2, p. 19-22 (2011)
Permanent URL http://hdl.handle.net/2078.1/162102