The High-Resolution Infrared Spectrum of the ν1/2ν2Fermi Dyad Bands of COF2

High-resolution FTIR data of carbonyl fluoride in the region of the C–O stretch ν1fundamental have been analyzed. Satisfactory interpretation of the spectral data required a rigorous analysis that involved the inclusion of Fermi resonance with the 2ν2state and Coriolis interaction with the 2ν3+ ν6da...

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Published inJournal of molecular spectroscopy Vol. 186; no. 2; pp. 363 - 373
Main Authors D'Cunha, Romola, Job, V.A., Rajappan, G., Devi, V.Malathy, Lafferty, W.J., Weber, A.
Format Journal Article
LanguageEnglish
Published Elsevier Inc 01.12.1997
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Summary:High-resolution FTIR data of carbonyl fluoride in the region of the C–O stretch ν1fundamental have been analyzed. Satisfactory interpretation of the spectral data required a rigorous analysis that involved the inclusion of Fermi resonance with the 2ν2state and Coriolis interaction with the 2ν3+ ν6dark state. Deperturbed molecular constants for the three interacting states as well as perturbation parameters that fit the data within the limits of the experimental accuracy of ∼0.00035 cm−1have been obtained. Interesting evidence of “axis interchange” in the 2ν2state has been observed.
ISSN:0022-2852
1096-083X
DOI:10.1006/jmsp.1997.7439