High-temperature modifications of alkali azides
- 1 May 1965
- journal article
- research article
- Published by Walter de Gruyter GmbH in Zeitschrift für Kristallographie
- Vol. 121 (5) , 385-391
- https://doi.org/10.1524/zkri.1965.121.5.385
Abstract
On heating, CsN 3 and RbN 3 each undergo a transition from a tetragonal α phase to a cubic β phase. The latter was found to be of the cesium-chloride type with unit-cell dimensions a CsN3 = 4.53° and a RbN3 = 4.35°, respectively. Transformation temperatures and transformation enthalpies were determined. High-temperature modifications of KN 3 and NaN 3 do not exist.Keywords
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