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The Raman Spectra and Molecular Constants of the Hexafluorides of Sulfur, Selenium and Tellurium

Yost, Don M. and Steffens, Carsten C. and Gross, Siegfried T. (1934) The Raman Spectra and Molecular Constants of the Hexafluorides of Sulfur, Selenium and Tellurium. Journal of Chemical Physics, 2 (6). pp. 311-316. ISSN 0021-9606. https://resolver.caltech.edu/CaltechAUTHORS:YOSjcp34a

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Abstract

The Raman spectra of the gaseous and liquid hexafluorides of sulfur, selenium and tellurium were determined (Table I). Three lines for each substance were observed and this is the number permitted by the selection rules for a regular octahedral molecule. Frequency formulae based on central forces were derived, and these, together with the appearance of the spectra, were used to assign the observed frequencies to the proper modes of vibration. Estimates of the magnitudes of the forbidden frequencies were made. A provisional value of —238,000 cal. is given for the free energy of formation of SF6 (g) at 25°.


Item Type:Article
Additional Information:Copyright © 1934 American Institute of Physics. Received April 14, 1938. Gates Chemical Laboratory, Contribution No. 400.
Issue or Number:6
Record Number:CaltechAUTHORS:YOSjcp34a
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:YOSjcp34a
Alternative URL:http://dx.doi.org/10.1063/1.1750286
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:10621
Collection:CaltechAUTHORS
Deposited By: Archive Administrator
Deposited On:22 May 2008
Last Modified:03 Oct 2019 00:11

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