The Lattice Constants of the Alkali Borohydrides and the Low-Temperature Phase of Sodium Borohydride
- 1 March 1954
- journal article
- Published by AIP Publishing in The Journal of Chemical Physics
- Vol. 22 (3), 434-436
- https://doi.org/10.1063/1.1740085
Abstract
The lattice constants of sodium, potassium, rubidium, and cesium borohydrides have been measured at 25.0°C as 6.1635±0.0005, 6.7272±0.0005, 7.029±0.001, and 7.419±0.001A, respectively. All four crystals are face‐centered cubic and have the sodium chloride structure. Below the transition point (—83°C) sodium borohydride becomes tetragonal with lattice constants of a=4.354±0.005 and c=5.907±0.005A at —195°C.Keywords
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