Assignment and anharmonicity analysis of overtone and combination bands observed in the resonance Raman spectra of carotenoids
โ Scribed by Hiromi Okamoto; Yaeko Sekimoto; Mitsuo Tasumi
- Publisher
- Elsevier Science
- Year
- 1994
- Tongue
- English
- Weight
- 496 KB
- Volume
- 50
- Category
- Article
- ISSN
- 1386-1425
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๐ SIMILAR VOLUMES
Bands due to overtone and combination vibrational modes attributable to the imide grouping have been elucidated in the near-IR absorption spectra of small-ring cyclic imides, in which the grouping is in a c/s, ct~ conformation. The spectra closely parallel the spectra of c/s lactams except that two
Resonance Raman scattering with the Q band of CuTPP shows a peculiar intensity pattern; bands due to combinations and overtones are strorg. whereas the corresponding fundamentals are very weak. By a quantitative analysis of excitation profiles. this phenomenon has been fully accounted for on the bas