Chirped molecular vibration in a stilbene derivative in solution

Anne Colonna, Atsushi Yabushita*, Izumi Iwakura, Takayoshi Kobayashi

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

6 Scopus citations


The wave packet dynamics of 4-methoxy-4′-nitrostilbene in solution was studied by femtosecond pump-probe spectroscopy. Transient changes in absorbance exhibit oscillations, which reflect vibrational motions on the ground-state potential surface. Modification of this oscillatory feature in three different solvents (benzene, methanol, and acetonitrile) can be explained in term of the strength of hydrogen bonding and the stabilization of charge-transfer state, confirmed by steady-state absorption and fluorescence spectra.

Original languageEnglish
Pages (from-to)336-343
Number of pages8
JournalChemical Physics
Issue number1-3
StatePublished - 15 Nov 2007


  • Photoisomerization
  • Stilbene
  • Ultrafast spectroscopy


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