Infrared spectra of carbon monoxide-hydrogen sulfide van der Waals complexes in the C-O stretching region

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DOIResolve DOI: http://doi.org/10.1016/j.jms.2004.08.002
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TypeArticle
Journal titleJournal of Molecular Spectroscopy
Volume229
Issue1
Pages3946; # of pages: 8
SubjectCO-D2S; CO-H2S; Hydrogen sulfide; Infrared spectrum; van der Waals molecule; Weakly bound complex
AbstractThe CO-stretching vibration-rotation spectra of CO-H2S, CO-D2S, and CO-HDS complexes have been studied in the 2150?cm-1 region using a supersonic slit-jet expansion and a tunable diode laser spectrometer. The spectra were analyzed with the help of very recent microwave pure rotational studies of the same complexes. Two bands were assigned for each of the symmetric hydrogen sulfide isotopes, corresponding to the two nuclear spin modifications, para and ortho. The band origins were blue shifted, relative to the free CO molecule, by about 3.8?cm-1 for CO-H2S and 4.3?cm-1 for CO-D2S. These are considerably smaller shifts than exhibited by the related CO-water complexes, indicating that the intermolecular forces in CO-H2S are weaker and more isotropic.
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AffiliationNational Research Council Canada; NRC Steacie Institute for Molecular Sciences
Peer reviewedNo
NPARC number12327870
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Record identifier447da553-0647-49f7-acfa-aa324908e273
Record created2009-09-10
Record modified2016-05-09
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