113Cd NMR studies of Hofmann-type clathrates and related compounds: Evidence for two room temperature orientational glasses
- 1 December 1990
- journal article
- Published by Canadian Science Publishing in Canadian Journal of Chemistry
- Vol. 68 (12) , 2270-2273
- https://doi.org/10.1139/v90-349
Abstract
113Cd magic angle spinning NMR, with and without 1H cross-polarisation and decoupling, has been used to study a number of Hofmann-type clathrates and related compounds. The 113Cd chemical shift shows a great sensitivity to the environment of Cd, even for complexes with closely related structures. The presence of five resonances due to Cd surrounded by CxN(4–x) (where x = 0 to 4) in Cd(CN)2 and Cd(CN)2•C6H12 indicates a static disorder of the CN groups, which makes these materials orientational glasses. Keywords: 113Cd NMR, Hofmann-type clathrates, Cd(CN)2, disorder, orientational glass.Keywords
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