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Acta Cryst. (2005). E61, i6-i8 [ doi:10.1107/S1600536804031150 ]
Abstract: The quaternary vanadium thiophosphate CsVP2S7 (caesium vanadium diphosphorus heptasulfide) was synthesized by reacting a mixture of Cs2S3, V, P4S3 and S. The crystal structure is composed of VS6 octahedra, which are linked by bitetrahedral [P2S7] groups to form two-dimensional anionic [VP2S7]- layers. The layers are stacked perpendicular to the crystallographic c axis and are separated by the Cs+ ions. The VS6 octahedra, the [P2S7] groups and the Cs+ ions are located in special positions. CsVP2S7 is isostructural to KVP2S7 and RbVP2S7.
Online 11 December 2004
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