The influence of pressure on the infrared spectrum of the perchlorate-group in 1-aminopyridinium perchlorate

The i.r. spectrum of 1-aminopyridinium perchlorate as a KBr disc shows evidence of the presence of strongly perturbed perchlorate groups of effective symmetry C 2 v , whereas the nujol mull spectrum is consistent with the presence of T d perchlorate ions. It is suggested that, on application of pres...

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Bibliographic Details
Published in:Spectrochimica acta. Part A: Molecular spectroscopy 1973-01, Vol.29 (6), p.1213-1214
Main Authors: Downs, A.W., Dias, S.A., McWhinnie, W.R.
Format: Article
Language:English
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Summary:The i.r. spectrum of 1-aminopyridinium perchlorate as a KBr disc shows evidence of the presence of strongly perturbed perchlorate groups of effective symmetry C 2 v , whereas the nujol mull spectrum is consistent with the presence of T d perchlorate ions. It is suggested that, on application of pressure, a crystal modification involving strong cation-anion interaction is produced.
ISSN:0584-8539
DOI:10.1016/0584-8539(73)80159-X