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Direct observation of the splitting of the vibrationless level in a Jahn-Teller active state in deuterobenzenes of D2h symmetry

✍ Scribed by J. Itah; B. Katz; B. Scharf

Publisher
Elsevier Science
Year
1977
Tongue
English
Weight
389 KB
Volume
48
Category
Article
ISSN
0009-2614

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✦ Synopsis

We have succeeded to record the splitting of the O-O band in the 6 = 0.3 Rydberg series of benzene converging to the second ionization limit at 11.49 eV upon reducing the vibrational symmetry to &h. This measurement is the fmt direct observation of a splitting of a vibrationless level of a Jahn-Teller active state caused by a vibrational perturbation. This observation leads one inevitably to ascriie the second ionization process in benzene to a removal of an electron from the 3ezg(o) orbital.

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