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The Quantum Theory of the Dielectric Constant of Hydrogen Chloride and Similar Gases

Pauling, Linus (1926) The Quantum Theory of the Dielectric Constant of Hydrogen Chloride and Similar Gases. Physical Review, 27 (5). pp. 568-577. ISSN 0031-899X. http://resolver.caltech.edu/CaltechAUTHORS:PAUpr26b

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Abstract

The quantum theory of diatomic dipoles.—Using the treatment of Pauli, an expression for the dielectric constant of a diatomic dipole gas is obtained, in which half-quantum numbers are used. It is shown that for cases of practical interest the approximation suggested by Pauli is not valid; hence numerical values of the temperature-function C have been calculated and tabulated. Application to experimental measurements.—The theory has been applied in the interpretation of Zahn's measurements of the dielectric constants of the hydrogen halides. The electric moments of molecules of hydrogen chloride, bromide, and iodide were found to be 0.3316, 0.252, and 0.146×10^-18 cgsu respectively; i.e., only about one-third of the values given on the basis of the classical theory. Moreover, the values 0.00077 and 0.00102 for 4πN0α for hydrogen chloride and bromide, in which α is the coefficient of induced polarization, are shown to be in better agreement with measurements of indices of refraction than are the classical theory values. A discussion is given of possible inaccuracies in the theory, of the choice of quantum numbers, and of the possibility of weak quantization.


Item Type:Article
Additional Information:©1926 The American Physical Society Received February 1926
Record Number:CaltechAUTHORS:PAUpr26b
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:PAUpr26b
Alternative URL:http://dx.doi.org/10.1103/PhysRev.27.568
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:1548
Collection:CaltechAUTHORS
Deposited By: Archive Administrator
Deposited On:28 Jan 2006
Last Modified:26 Dec 2012 08:44

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