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REVIEW OF THE INTERACTIONS ENCOUNTERED IN OUR STUDY OF THE $CH_{3}$-ROCKING AND OH-BENDING FUNDAMENTALS OF $^{13}CH_{3}OH$

Please use this identifier to cite or link to this item: http://hdl.handle.net/1811/18740

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Title: REVIEW OF THE INTERACTIONS ENCOUNTERED IN OUR STUDY OF THE $CH_{3}$-ROCKING AND OH-BENDING FUNDAMENTALS OF $^{13}CH_{3}OH$
Creators: Predoi-Cross, Adriana; Lees, R. M.
Issue Date: 1998
Abstract: Our study of the $n = 0$ OH-Bending and $n = 0$ and $1 CH_{3}$-Rocking states has led to the characterization of a variety of interactions coupling the different vibrational modes. The OH-Bending state strongly interacts with the first excited torsional $CH_{3}$-Rocking state and we have observed several ""extra"" forbidden sub-bands arising from intensity borrowing from the allowed interacting sub-bands. In our spectra we have observed the effects of Coriolis coupling between rocking $(K - 1)$ and CO-Stretching K levels for K values from 6 to 10. Other interesting interactions encountered are J-localized perturbations due to level crossing resonances with the CO-Stretch state. All these interactions provide relaxation channels for intra-molecular vibrational redistribution (IVR) among the lower vibrational modes in $^{13}CH_{3} OH$.
URI: http://hdl.handle.net/1811/18740
Other Identifiers: 1998-FA-05
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