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Ubiquitous T-shaped isomers of OCS-hydrocarbon van der Waals complexes

J. Chem. Phys. 131, 161105 (2009); doi:10.1063/1.3257934

Published 27 October 2009

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J. Norooz Oliaee,1 M. Dehghany,1 Mahin Afshari,1 N. Moazzen-Ahmadi,1 and A. R. W. McKellar2
1Department of Physics and Astronomy, University of Calgary, 2500 University Drive North West, Calgary, Alberta T2N 1N4, Canada
2Steacie Institute for Molecular Sciences, National Research Council of Canada, Ottawa, Ontario K1A 0R6, Canada
Many weakly bound OCS-hydrocarbon complexes exhibit a relatively simple rotation-vibration band, characteristic of a T-shaped structure, which is redshifted (by 5–12  cm−1) from the OCS monomer nu1 frequency. Spectra of OCS with seven chain and ring hydrocarbons are described here. They allow a straightforward comparison of intermolecular force effects (vibrational shift and intermolecular separation) over a range of molecules, which could be extended to other hydrocarbons and other probes such as CO2 and N2O. ©2009 American Institute of Physics
History: Received 26 August 2009; accepted 13 October 2009; published 27 October 2009
Permalink: http://link.aip.org/link/?JCPSA6/131/161105/1
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KEYWORDS and PACS

Keywords
PACS
  • 34.50.Ez
    Rotational and vibrational energy transfer (atoms and molecules)
  • 34.20.Gj
    Intermolecular and atom-molecule potentials and forces
  • 33.20.Tp
    Vibrational analysis (molecular spectra)
  • 33.15.Mt
    Molecular rotation, vibration, and vibration-rotation constants
  • YEAR: 2009

PUBLICATION DATA

ISSN:
0021-9606 (print)   1089-7690 (online)
Publisher:
AIP is a member of CrossRef AIP

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