Time-resolved resonance Raman spectra were observed with the pump/probe technique using two 7 ns pulsed lasers for octaethylporphinato Cu(II) [(OEP)Cu] and its isotopomers (OEP-meso-d 4 and OEP-lSN) in the lowest excited triplet state. Raman bands were assigned on the basis of depolarization ratios
The resonance Raman spectrum of tetramethylbutadiene in its lowest excited triplet state
β Scribed by R. Wilbrandt; F.W. Langkilde
- Publisher
- Elsevier Science
- Year
- 1987
- Tongue
- English
- Weight
- 551 KB
- Volume
- 133
- Category
- Article
- ISSN
- 0009-2614
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β¦ Synopsis
The resonance Raman spectrum of tetramethylbutadiene in its lowest excited triplet state, with a reported lifetime of 80 ns, is presented. The triplet state was produced by laser flash photolysis using acetone as sensitizer in acetonitrile.
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The resonance Raman spectrum of all-trans-diphenylbutadiene in its lowest exited St state exited in resonance with the S1 + S,, absorption band at 650 nm in non-pohr solvents is reported\_ Three vldrational bands at 1572,1481 and 1165 Cm-l are observed. A possible assignment of the the 1481 cm-l the
Resonance Raman spectra of the lowest excited triplet state of chlorophyll a are obtained in benzene and in methanol by pumping at 660 nm in the Q, band and pmbing at 460 nm which is close to the absorption maximum of the T, state. Tbe spectrum observed in polar methanol differs significantly from t
## Abstract The nature of the lowβlying excited single states of styrene has been investigated through calculation of the resonance Raman spectrum and preβresonance Raman profiles of the three modes of Cο£ΎC stretching nature. A reasonable agreement with experiment is found and an analysis of the mai