Vibrational coherence in the solution phase photoisomerization reaction of cis-stilbene

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...

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Bibliographic Details
Published in:Chemical physics letters 1995-06, Vol.240 (1), p.25-30
Main Authors: Szarka, Arpad Z., Pugliano, Nick, Palit, Dipak K., Hochstrasser, Robin M.
Format: Article
Language:English
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Summary: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.
ISSN:0009-2614
1873-4448
DOI:10.1016/0009-2614(95)00491-L