Raman displacements, semiquantitative relative intensities, and quantitative depolarization factors are given for the above named hydrocarbons in the liquid state. The relative intensities and depolarization factors were obtained by use of a Gaertner microdensitometer. The depolarization factors were determined by a well-tested, single-exposure method. The previous data have been collected, tabulated, and compared with the present results, and probable values and average deviations are listed.
Raman displacements, semiquantitative relative intensities, and precise depolarization factors for trichloromethane, fluorotrichloromethane, and bromotrichloromethane were obtained in the liquid state. Several overtones and combination bands hitherto unreported are given and frequency assignments are made. The Raman data in the literature for CCl3H, CCl3D, CCl3F, CCl4, and CCl3Br in the liquid state have been collected and the probable values ascertained. Force constants in modified valence force potential functions containing all possible interaction constants were calculated for the five molecules.
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