INTENSITY IN THE RAMAN EFFECT: IV. RAMAN INTENSITY SUM RULES AND FREQUENCY ASSIGNMENTS FOR CH₃CN, CD₃CN, CH₃CCl₃, AND CD₃CCl₃

Abstract

The standard intensities of the Raman bands of CH 3 CN, CD 3 CN, CH 3 CCl 3 and CD 3 CCl 3 have been obtained for the liquids with a photoelectric, grating spectrometer. The intensity sum rules for isotopic homologues are valid within the experimental error. The infrared spectra of CD 3 CN and CD 3 CCl 3 have been obtained in the liquid phase and in the vapor phase. A definitive assignment of v 11 (e) has been made for methyl chloroform.