Interference effects in resonance raman spectroscopy

Joel Friedman, Robin M. Hochstrasser

Research output: Contribution to journalArticlepeer-review

88 Scopus citations


We show that resonance Raman excitation profiles are not generally expected to superimpose on the profile of the absorption spectrum. The discrepancy is due to interference between transition amplitudes of preresonant and more nearly resonant states. Two cases are outlined: in the first the amplitudes have similar magnitudes, and in the second they are quite different. Examples discussed include hemeproteins, visual pigments and resonant scattering from triplet states of molecules. A main point is that qualitative aspects of these interferences may be used to assign states and vibrations. Some new experiments are reported for ferrocytochrome-c scattering.

Original languageEnglish (US)
Pages (from-to)414-419
Number of pages6
JournalChemical Physics Letters
Issue number3
StatePublished - May 1 1975
Externally publishedYes

ASJC Scopus subject areas

  • General Physics and Astronomy
  • Physical and Theoretical Chemistry


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