The low frequency nor.mal mode eigenvectors of trans.trans-l.3.5,7-oct~tetr3ene uere caicuisted using the CTF-T procedure of Warshel and Karp!us. The vibronically actix mode observed at 109 cm-' is identified IS an in-plane bend of the entire chain with bo symmetry.
LNDO/S PERTCI ionization spectra of trans-1,3,5-hexatriene and trans-1,3,5,7-octatetraene
β Scribed by Reinhard Schulz; Armin Schweig; Werner Zittlau
- Publisher
- Elsevier Science
- Year
- 1984
- Tongue
- English
- Weight
- 368 KB
- Volume
- 106
- Category
- Article
- ISSN
- 0009-2614
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triplet-triplet absorption spectra, quantum efficiencies of intersystem crossin g, triplet extinction coefficients, and triplet energy levels of 1,6diphenyl-1,3,5hexatriene, and 1,GliphenyL1,3,5,7-octatetraene, in ethanol and benzene have been obtained. l%e quantum efficiencies of intersystem crossi
Electronic excitation by low energy electron impact has been \ludied for 1,3,5-trarfs-hexatriene. At = 4.2 cV. 3 weak absorption is observed. On the basis of the results of semi-empirical calculations this absorption can be assigned to the second triplet state.