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HIGH VIBRATIONAL STATES OF 1,2,3,4,4,5,5-d7 and 3,3,4,4-d4 CYCLOPENTENES.

Please use this identifier to cite or link to this item: http://hdl.handle.net/1811/18507

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Title: HIGH VIBRATIONAL STATES OF 1,2,3,4,4,5,5-d7 and 3,3,4,4-d4 CYCLOPENTENES.
Creators: Rodin-Bercion, S.; Cavagnat, D.; Lespade, L.; Abbate, S.
Issue Date: 1993
Abstract: The ring-puckering motion of cyclopentene is studied through the CH bond stretching overtones $(\Delta v=1$ to 6) of the monohydrogenated and dihydrogenated $molecules^{1}$. At high energies, the potential of the large amplitude motion may be divided into two parts: one part, which corresponds to the potential of the motion in its ground state and another part, due to the vibrational dissymetry of the CH bond stretchings. Because of this vibrational part. the potential wells, corresponding to the two axial and equatorial positions of the CH bonds, become deeper and deeper with increasing molecular energy. Thus, there is a relative ``localization'' of the high vibrational energy in the two potential wells, which is counterbalanced by its rapid redistribution in combination states through Fermi resonance couplings. The two phenomena are qualitatively modelled.
URI: http://hdl.handle.net/1811/18507
Other Identifiers: 1993-RB-11
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