Abstract
Infrared correlation functions, have been obtained from the analysis of band shapes of the 1400 cm−1 bending mode of NH4Cl, NH4Br and NH4I in both the Pm3m and Fm3m phases. The NH +4 ion seems to undergo relatively free rotation in the high temperature Fm3m phases of these halides.
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Communication No. 73 from the Solid State and Structural Chemistry Unit
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Ganguly, S. Infrared spectroscopic study of the rotation of the NH +4 ion in ammonium halides. Proc. Indian Acad. Sci. (Chem. Sci.) 89, 449–454 (1980). https://doi.org/10.1007/BF02881059
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DOI: https://doi.org/10.1007/BF02881059