An electron diffraction study of alkali chloride vapors

A study of monomers and dimers of the four alkali chlorides NaCl, KCl, RbCl, and CsCl in the vapor phase using the counting method of high energy electron diffraction is reported. Nozzle temperatures from 850-960 K were required to achieve the necessary vapor pressures of approximately 0.01 torr. Us...

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Bibliographic Details
Published in:The Journal of chemical physics 1985-11, Vol.83 (9), p.4418-4426
Main Authors: Mawhorter, R. J., Fink, M., Hartley, J. G.
Format: Article
Language:English
Subjects:
Atomic and molecular physics
Exact sciences and technology
Inorganic And Physical Chemistry
Interatomic distances and angles
Molecular properties and interactions with photons
Physics
Properties of molecules and molecular ions
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Summary:A study of monomers and dimers of the four alkali chlorides NaCl, KCl, RbCl, and CsCl in the vapor phase using the counting method of high energy electron diffraction is reported. Nozzle temperatures from 850-960 K were required to achieve the necessary vapor pressures of approximately 0.01 torr. Using harmonic calculations for the monomer and dimer 1 values, a consistent set of structures for all four molecules was obained. The corrected monomer distances reproduce the microwave values very well. The experiment yields information on the amount of dimer present in the vapor, and these results are compared with thermodynamic values.
ISSN:0021-9606
1089-7690
DOI:10.1063/1.449060