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Compressibilities, Force Constants, and Interatomic Distances of the Elements in the Solid State

Waser, J. and Pauling, Linus (1950) Compressibilities, Force Constants, and Interatomic Distances of the Elements in the Solid State. Journal of Chemical Physics, 18 (5). pp. 747-753. ISSN 0021-9606. http://resolver.caltech.edu/CaltechAUTHORS:WASjcp50

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Abstract

Available data for the compressibilities of crystalline elements are used to calculate the force constants for the assumed Hooke's law interactions between adjacent atoms. On comparison of these constants and the equilibrium interatomic distances it is found that for many substances there holds the relation discovered by Badger for diatomic gas molecules: a linear relation between the reciprocal of the cube root of the force constant and the interatomic distance, for elements of a given row in the periodic table. Deviations from this relation are in the direction of increased compressibility. They are explained as resulting from changes in bond type (that is, in electronic structure) that permit the crystal to adjust itself to the increased pressure.


Item Type:Article
Additional Information:Copyright © 1950 American Institute of Physics (Received January 23, 1950) The work reported in this paper was carried out with the aid of a grant from the Carbide and Carbon Chemicals Corporation. We wish to thank Professor P. W. Brdgman for communicating his unpublished data to us in 1947. Gates and Crellin Laboratories of Chemistry, Contribution No. 1380
Record Number:CaltechAUTHORS:WASjcp50
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:WASjcp50
Alternative URL:http://dx.doi.org/10.1063/1.1747738
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:5269
Collection:CaltechAUTHORS
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Deposited On:06 Oct 2006
Last Modified:26 Dec 2012 09:04

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