VIBRATIONAL COHERENCE IN THE SOLUTION-PHASE PHOTOISOMERIZATION REACTION OF CIS-STILBENE

被引:56
作者
SZARKA, AZ
PUGLIANO, N
PALIT, DK
HOCHSTRASSER, RM
机构
[1] Department of Chemistry, University of Pennsylvania, Philadelphia
基金
美国国家科学基金会;
关键词
D O I
10.1016/0009-2614(95)00491-L
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
Coherent low frequency (100-125 cm(-1)) nuclear motion was detected in the cis --> trans condensed phase isomerization of stilbene. A mode, associated with phenyl torsional motion, has a vibrational dephasing time of 100 fs and exhibits solvent-dependent wavepacket dynamics. Selective probe wavelengths (600, 650 and 690 nm) exhibit phase shifts for the wavepacket dynamics that are also solvent sensitive.
引用
收藏
页码:25 / 30
页数:6
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