RING PUCKERING AND CH STRETCHING SPECTRA .2. HIGH VIBRATIONAL-STATES OF GASEOUS MONOHYDROGENATED CYCLOPENTENE-3-H(1)

被引:18
作者
RODINBERCION, S [1 ]
CAVAGNAT, D [1 ]
LESPADE, L [1 ]
MARAVAL, P [1 ]
机构
[1] UNIV BORDEAUX 1, SPECT MOLEC & CRISTALLINE LAB, CNRS, URA 124, F-33405 TALENCE, FRANCE
关键词
D O I
10.1021/j100010a008
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
The excited vibrational states of gaseous cyclopentene 3-HC5D7 have been measured up to Delta v = 7. The second overtone presents essentially two main absorptions corresponding to two distinct conformers. The higher overtones are much perturbed by Fermi resonances with low-energy modes. The contribution of two types of couplings to the ring-puckering motion and to isoenergetic states involving low-energy modes are analyzed and modeled. Through the reconstruction of the spectra, the predominant pathways of the intramolecular vibrational redistribution of the energy (IVR) are discussed,
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页码:3005 / 3013
页数:9
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