The effects of near-degeneracy in the electron spin resonance spectra of aromatic negative ions
作者:
J.R. Bolton,
A. Carrington,
A. Forman,
L.E. Orgel,
期刊:
Molecular Physics
(Taylor Available online 1962)
卷期:
Volume 5,
issue 1
页码: 43-49
ISSN:0026-8976
年代: 1962
DOI:10.1080/00268976200100051
出版商: Taylor & Francis Group
数据来源: Taylor
摘要:
The e.s.r. spectra of the anions of mono- and para-di-alkyl benzenes are described. The molecular orbitals which are degenerate in the case of the benzene negative ion are split apart by the introduction of the alkyl groups but the splitting is relatively small. It is suggested that the deviation of the proton hyperfine splitting constants from the values predicted by simple Hückel theory is due either to vibration-electronic interaction or to a mixing of electronic states through thermal agitation.
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