Mössbauer study of the dynamic behaviour of gold in molecular crystals

Abstract
Measurements are reported of the temperature dependence of the Mössbauer fraction of a number of AuI and AuIII complexes. A simple model is described with which this temperature dependence of the Mössbauer fraction was analysed in terms of intra- and Inter-molecular vibrations. The observed difference between Mössbauer fractions of AuI and AuIII complexes has to be attributed mainly to the larger mass of the latter, rather than to the difference in co-ordination number.

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