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High-resolution synchrotron infrared spectroscopy of thiophosgene: The ν 1, ν 5, 2ν4, and ν2+2ν6 bands

From National Research Council Canada

DOIResolve DOI: https://doi.org/10.1016/j.jms.2015.01.003
AuthorSearch for: 1; Search for:
Affiliation
  1. National Research Council of Canada. Security and Disruptive Technologies
FormatText, Article
SubjectFourier transform infrared spectroscopy; Infrared radiation; Infrared spectroscopy; Light sources; Spectrometers; Synchrotron radiation; Fourier transform spectrometers; Fundamental bands; High resolution; Infrared spectrum; Intersystem interaction; Isotopic species; Thiophosgenes; Vibrational dynamics; Synchrotrons
Abstract
Thiophosgene (Cl2CS) is a favorite model system for studies of photophysics, vibrational dynamics, and intersystem interactions. But its infrared spectra tend to be very congested due to hot bands and multiple isotopic species. This paper reports the first detailed study of the ν 1 (~1139cm- 1) and ν 5 (~820cm-1) fundamental bands for the two most abundant isotopologues, 35Cl2CS and 35Cl37ClCS, based on spectra with a resolution of about 0.001cm-1 obtained at the Canadian Light Source far-infrared beamline using synchrotron radiation and a Bruker IFS125 Fourier transform spectrometer. The 2ν 4 (~942cm- 1) and ν 2 +2ν 6 (~1104cm-1) bands are also studied here, but the ν 2 + ν 6 band (~795cm- 1) resisted full analysis.
Publication date
In
  • Journal of Molecular Spectroscopy (19 January 2015).
LanguageEnglish
Peer reviewedYes
NPARC number21275457
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Record identifier0a8a4316-d49f-4386-abb2-618617503c15
Record created2015-07-14
Record modified2020-04-22
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