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Vibronic coupling effects observed in the high-resolution He(I) photoelectron spectra of BF3

✍ Scribed by G. Hagenow; K. Hottmann; H. Baumgärtel

Publisher: Elsevier Science
Year: 1989
Tongue: English
Weight: 347 KB
Volume: 164
Category: Article
ISSN: 0009-2614
DOI: 10.1016/0009-2614(89)85226-1

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✦ Synopsis

He(I) photoelectron spectrum of BF3 has been measured with an electron energy resolution better than 15 meV. The 1A; PE band (IP,,= 15.92 eV) reveals vibrational fine structure with intervals of 0.025 eV. In the case of the 2E' PE band (IP,=20.08 eV) an additional third progression with intervals of 0.092 eV is observed. The results arc discussed on the basis of vibronic interaction between electronic states using symmetry arguments.