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The Dynamic Jahn–Teller Effect in the Benzene Cation: Rotationally Resolved ZEKE Photoelectron Spectra of the v 6 ( e 2g ) Mode
Author(s) -
Lindner Refner,
Sekiya Hiroshi,
MüllerDethlefs Klaus
Publication year - 1993
Publication title -
angewandte chemie international edition in english
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 0570-0833
DOI - 10.1002/anie.199313641
Subject(s) - x ray photoelectron spectroscopy , jahn–teller effect , benzene , kinetic energy , spectral line , chemistry , ion , ground state , atomic physics , physics , nuclear magnetic resonance , quantum mechanics , organic chemistry
A textbook example of the dynamic Jahn–Teller effect is provided by the Jahn‐Teller components of the v 6 mode of the benzene cation. They were resolved to the rotational level for the first time by zero kinetic energy (ZEKE) photoelectron spectroscopy. The picture on the right shows the ZEKE spec‐trum of the 6 1 ( j = ± 1/2) band of the electronic ground state of the benzene cation via the intermediate state S 1 6 1 ( J ′ =1, K ′ =1, + l ).