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Theoretical calculations on the three-photon absorption spectrum of benzene

✍ Scribed by G. Marconi; P.R. Salvi

Publisher: Elsevier Science
Year: 1992
Tongue: English
Weight: 522 KB
Volume: 193
Category: Article
ISSN: 0009-2614
DOI: 10.1016/0009-2614(92)85836-y

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✦ Synopsis

The three-photon absorption spectrum of benzene is discussed by means of molecular orbital calculations of allowed and vibronic three-photon intensities to S, and Ss. The coupling mechanisms responsible for vibronic absorption to these states are described and it is found that vibronic pathways peculiar of the three-photon process may occur. Allowed intensities to Si, S2 and Ss are in agreement with qualitative expectations from the altemant hydrocarbon theory. On the whole, the So-+ three-photon calculations provide a good basis to discuss available experimental data.

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