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Communication: Spectroscopic evidence for a planar cyclic CO trimer

From National Research Council Canada

DOIResolve DOI: https://doi.org/10.1063/1.4793220
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Affiliation
  1. National Research Council of Canada. Security and Disruptive Technologies
FormatText, Article
Subjectblue shift; cyclic CO; high-resolution spectra; intermolecular separations; spectroscopic evidence; theoretical calculations; trimer structure; dimers
Abstract
A 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
In
  • The Journal of Chemical Physics 138, no. 7, 71102 (15 February 2013).
LanguageEnglish
Peer reviewedYes
NPARC number21270474
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Record identifiere29e2c6b-2630-4a6a-95dd-4fb229236d48
Record created2014-02-12
Record modified2020-04-22
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