Infrared-Absorption Spectra of Solid Solutions: The Rotatory Motions of Nitrate and Nitrite Ions in Alkali Halides
- 1 March 1967
- journal article
- research article
- Published by AIP Publishing in The Journal of Chemical Physics
- Vol. 46 (5), 1988-1992
- https://doi.org/10.1063/1.1840964
Abstract
The infrared absorption spectra of nitrite and nitrate ions as impurities in potassium chloride single crystals show a fine structure that must be attributed to rotational motions of these ions. Evidence is found for the existence of different groups of nitrite ions that occupy different lattice sites and that are characterized by a varying degree of rotational freedom. No such evidence is found for the nitrate ion for which a librational type of motion is described.Keywords
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