期刊
JOURNAL OF CHEMICAL PHYSICS
卷 143, 期 12, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.4932043
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资金
- Canadian Space Agency
- Natural Sciences and Engineering Research Council of Canada
Infrared spectra in the carbon monoxide CO stretch region (approximate to 2150 cm(-1)) are assigned to the previously unobserved O-bonded form of the CO2-CO dimer (isomer 2), which has a planar T-shaped structure like that of the previously observed C-bonded form (isomer 1), but with the CO rotated by 180 degrees. The effective center of mass intermolecular distances are 3.58 angstrom for isomer 2 as compared to 3.91 angstrom for isomer 1. In addition to the fundamental band, two combination bands are observed for isomer 2, yielding values for two intermolecular vibrational modes: 14.19 cm(-1) for the in-plane CO bend and 22.68 cm(-1) for the out-of-plane bend. (C) 2015 AIP Publishing LLC.
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