Infrared spectrum of the CS2 tetramer: observation of a structure with D2d symmetry

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DOIResolve DOI: http://doi.org/10.1016/j.cplett.2013.03.074
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TypeArticle
Journal titleChemical Physics Letters
ISSN0009-2614
Volume570
Pages1215; # of pages: 4
SubjectEnergy isomers; Fundamental bands; High resolution; Infrared spectrum; Intermolecular potentials; Jet expansion; Spectroscopic detection; Symmetric rotors; Isomers; Nitrogen oxides; Spectroscopy; Supersonic aerodynamics; Oligomers
AbstractInfrared spectra of carbon disulfide clusters are studied in the region of the CS2 ν3 fundamental band (≈1535 cm-1), using a tuneable diode laser to probe a pulsed supersonic slit jet expansion. A symmetric rotor parallel band at 1551.438 cm-1 is assigned to CS2 tetramer. The likely structure is a staggered and tilted barrel with D2d symmetry, similar to the previously observed oblate tetramer of nitrous oxide, and in reasonable agreement with that calculated from an empirical CS2 intermolecular potential function. This is the first high-resolution spectroscopic detection of CS2 tetramer, and the calculations suggest that there could be other low energy isomers of (CS2)4 which are not yet observed.
Publication date
LanguageEnglish
AffiliationSecurity and Disruptive Technologies; National Research Council Canada
Peer reviewedYes
NPARC number21270390
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Record identifier758cf5b8-0db0-470b-bc3f-043ecc236711
Record created2014-02-06
Record modified2016-05-09
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