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

✍ Scribed by Arpad Z. Szarka; Nick Pugliano; Dipak K. Palit; Robin M. Hochstrasser

Publisher: Elsevier Science
Year: 1995
Tongue: English
Weight: 451 KB
Volume: 240
Category: Article
ISSN: 0009-2614
DOI: 10.1016/0009-2614(95)00491-l

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✦ Synopsis

Coherent low frequency ( 100-125 cm -~ ) 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 solventdependent wavepacket dynamics. Selective probe wavelengths (600, 650 and 690 nm) exhibit phase shifts for the wavepacket dynamics that are also solvent sensitive.

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