Direct observation of the femtosecond nonradiative dynamics of azulene in a molecular beam: The anomalous behavior in the isolated molecule

Wei-Guang Diau*, Steven De Feyter, Ahmed H. Zewail

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

63 Scopus citations

Abstract

Using femtosecond-resolved mass spectrometry in a molecular beam, we report real-time observation of the nonradiative, anomalous dynamics of azulene. We studied both S2 and S1 state dynamics. The motion of the wave packet in S1 involves two time scales, a dephasing time of less than 100 fs and a 900±100 fs internal conversion. We discuss the dynamical picture in relation to the molecular structures and the conical intersection, and we compare with theory.

Original languageEnglish
Pages (from-to)9785-9788
Number of pages4
JournalJournal of Chemical Physics
Volume110
Issue number20
DOIs
StatePublished - 22 May 1999

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