Communication: Spectroscopic evidence for a planar cyclic CO trimer

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DOIResolve DOI: http://doi.org/10.1063/1.4793220
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TypeArticle
Journal titleJournal of Chemical Physics
ISSN0021-9606
Volume138
Issue7
Article number71102
SubjectBlue shift; Cyclic CO; High-resolution spectra; Intermolecular separations; Spectroscopic evidence; Theoretical calculations; Trimer structure; Dimers
AbstractA high-resolution spectrum in the region of 2144 cm-1 is assigned to the previously elusive CO trimer. In spite of interference from the CO dimer and some remaining unexplained details, there is strong evidence for a planar, cyclic, C-bonded trimer structure, with C3h symmetry and 4.42 Å intermolecular separation, in agreement with theoretical calculations. A modest vibrational blueshift of +0.85 cm-1 is observed for the CO trimer, as compared to +0.71 cm-1 for the C-bonded form of the dimer.
Publication date
LanguageEnglish
AffiliationSecurity and Disruptive Technologies; National Research Council Canada
Peer reviewedYes
NPARC number21270474
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Record identifiere29e2c6b-2630-4a6a-95dd-4fb229236d48
Record created2014-02-12
Record modified2017-03-23
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