Picosecond resonance Raman spectra of the S 1 states of trans-stilbene and its torsionally hindered analog 2-phenylindene in solution show that the vibrational cooling times in these two systems are similar. Anti-Stokes scattering from high frequency modes is observed for the first time and provides
Mode- and symmetry-specific, picosecond intramolecular vibrational redistribution in 1-methylindole
β Scribed by Grant A. Bickel; David R. Demmer; Gary W. Leach; Stephen C. Wallace
- Publisher
- Elsevier Science
- Year
- 1988
- Tongue
- English
- Weight
- 544 KB
- Volume
- 145
- Category
- Article
- ISSN
- 0009-2614
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High-resolution dispersed fluorescence spectra have been used to probe intramolecular vibrational energy redistribution (IVR) for ring vibrations in S o benzene up to ~-8200 cm-a. All bands monitored show sharp structure (= 1 cm 1 fwhm) with resolved rotational features. An upper limit to the contri
## Abstract Ultrafast bimolecular radical reaction proceeds between photoexcited __p__βterphenyl and carbon tetrachloride. The lifetime of the first excited singlet (S~1~) state of __p__βterphenyl in carbon tetrachloride measured with picosecond timeβresolved fluorescence spectroscopy is 5.6 ps, sh