Isotope effect on the Raman spectrum of the pentagonal-pinch mode

S. Guha, Jose Menendez, J. B. Page, G. B. Adams

Research output: Contribution to journalArticlepeer-review

11 Scopus citations


We present a detailed experimental and theoretical study of the (Formula presented)(2) Raman spectrum of pure and isotopically mixed C(Formula presented) molecules. The spectrum shows a striking correlation with the mass spectrum of the molecule, consistent with a simple nondegenerate perturbation analysis. Comparisons with nonperturbative calculations using several first-principles and phenomenological dynamical models show that the study of this phenomenon can provide a stringent test of vibrational models for C(Formula presented).

Original languageEnglish (US)
Pages (from-to)15431-15438
Number of pages8
JournalPhysical Review B - Condensed Matter and Materials Physics
Issue number23
StatePublished - 1997

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics


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