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Journal of the Optical Society of America

Journal of the Optical Society of America

  • Vol. 44, Iss. 10 — Oct. 1, 1954
  • pp: 815–817

Relative Intensities of the Raman Lines of Carbon Tetrachloride, Chloroform, and Methylene Chloride

H. J. MARRINAN and N. SHEPPARD  »View Author Affiliations


JOSA, Vol. 44, Issue 10, pp. 815-817 (1954)
http://dx.doi.org/10.1364/JOSA.44.000815


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Abstract

The construction of a photoelectric Raman spectrometer is briefly described, and the procedure used to determine the intensities of Raman lines is given in detail. The relative intensities of the Raman lines of carbon tetrachloride, chloroform, and methylene chloride in the liquid state have been measured on a uniform scale. The values obtained for the individual molecules CCl4 and CHCl3 are in excellent agreement with those obtained previously by D. H. Rank [J. Opt. Soc. Am. 37, 798 (1947)] using the photoelectric method. The whole range of intensities on a uniform scale for the three molecules are also in good general agreement with those obtained by Welsh, Crawford, Thomas and Love [Can. J. Phys. 30, 577 (1952)] in the gaseous phase using the photographic method. Only one out of thirteen strong lines has a significant intensity deviation of more than 15 percent from the mean values of the two sets of results. It is concluded that intensity measurements in the liquid phase for molecules with weak intermolecular forces may sometimes be adequate substitutes for the gaseous measurements that are strictly required for comparison with theoretical calculations.

Citation
H. J. MARRINAN and N. SHEPPARD, "Relative Intensities of the Raman Lines of Carbon Tetrachloride, Chloroform, and Methylene Chloride," J. Opt. Soc. Am. 44, 815-817 (1954)
http://www.opticsinfobase.org/josa/abstract.cfm?URI=josa-44-10-815

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