Correlation between crystal structure and carbonyl-bond stretching vibrations of methyl benzene transition metal tricarbonyls

Abstract

The site and factor group approaches to the interpretation of solid state infra-red and Raman spectra of metal carbonyls are compared. A factor group analysis of seven arene chromium tri-carbonyls indicates that the effective symmetry of the vibrational repeating unit may be higher than that of the crystallographic point group.