Polarized absorption spectra of some aromatic radical anions in stretched polyethylene films

Yoshihiro Kubozono, Masafumi Ata, Makoto Aoyagi, Tsuyoshi Fujita, Nobuaki Fukami, Yashuhiko Gondo

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Six different aromatic radical anions were generated in stretched polyethylene films by 60Co γ-ray irradiation at 77 K, and the polarized absorption spectra were observed at 77 K; the long and short molecular axis polarized components were determined by invoking the stepwise reduction procedure. The parent compounds are biphenyl, 4,4′-bipyridyl, phenathrene, benzo[c]-cinnoline, 1,2,3,4-dibenzanthracene and 1,2,3,4-dibenzophenazine. The restricted Hartree-Fock SCF m.o. CI calculations are in good agreement with the observed results. The spectral variations brought about by nitrogen atoms are interpreted in terms of a simple aza-perturbation treatment.

Original languageEnglish
Pages (from-to)1477-1486
Number of pages10
JournalJournal of the Chemical Society, Faraday Transactions 2: Molecular and Chemical Physics
Issue number9
Publication statusPublished - 1989
Externally publishedYes


ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Physical and Theoretical Chemistry

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