[Open access]

Acta Cryst. (2013). E69, i2
[ doi:10.1107/S1600536812049884 ]

[beta]-K(VO2)2(PO4)

S. Ezzine Yahmed, M. Ayed, M. F. Zid and A. Driss

Abstract: A new vanadium oxide, potassium bis(dioxovanadyl) phosphate, [beta]-K(VO2)2(PO4), has been synthesized by a solid-state reaction. In the title compound, the [V2PO8] framework is built up from infinite pyramidal [V2O8][infinity] and [VPO7][infinity] chains linked together by V-O-P bridges, leading to a three-dimensional framework which delimits two types of intersecting tunnels running along [100] and [010] in which the four unique K+ ions, showing coordination numbers of nine and ten, are located.


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