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Butterfly motion of isolated perylene in its ground and first excited singlet states

โœ Scribed by F. Fillaux

Publisher
Elsevier Science
Year
1985
Tongue
English
Weight
236 KB
Volume
114
Category
Article
ISSN
0009-2614

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โœฆ Synopsis

Wbrational frequencies and Franck-Condon factnrs derived from laser induced fluorcsccncc spcclra of JCt-COOkd perylcne obtalncd by Tramer and co-workers are presented for the two lowest-frequency outaf-plane deformat?on modes. Potential functions are calculated for the "butterfly" mode m the ground and first excited singlet electronrc states The molecule appears to be planar m both cases. A slmphfied force constant analysis shows that the ngldlty of the molecule and the vlbratlonal couphng constant between the two naphthalene entities increase sigmficantly in the evclted state

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