Resonance Raman studies of benzene derivatives with strong conjugation: Nitrile substitution

Horst B. Lueck, Tim C. Swinney, Bruce S. Hudson, Donald M. Friedrich

Research output: Contribution to journalArticle

12 Scopus citations

Abstract

Raman spectra in resonance with the La state of benzene derivatives exhibit activity in both the fundamental and two-quantum overtones of modes that are of e2g symmetry in benzene. The Raman spectra can be used to test proposals of Petruska that result in the conclusion that 1,2,3-trisubstituted benzenes should have La transitions with very small allowed transition moments. We find that nitrile substitution results in absorption and resonance Raman spectra that show deviations from Petruska's rules. The 1,2,3-tricyano derivative exhibits Raman spectra that demonstrate allowed transition character.

Original languageEnglish (US)
Pages (from-to)80-86
Number of pages7
JournalChemical Physics Letters
Volume258
Issue number1-2
DOIs
StatePublished - Aug 9 1996

ASJC Scopus subject areas

  • Physics and Astronomy(all)
  • Physical and Theoretical Chemistry

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