The crystal structures of potassium and cesium trivanadates

Inorganic Chemistry
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Potassium and cesium trivanadates are monoclinic and isomorphous, space group P21/m, with the following dimensions (Z = 2): KV3O8, a = 7.640 A, b = 8.380 A, c = 4.979 A, ??= 96?? 57???; CsV3O8, a = 8.176 A, b = 8.519 A, c = 4.988 A, ?? = 95?? 32???. The crystal structure of KV3O8 has been determined from hk0, 0kl, and h0l Weissenberg data with an R factor of 0.15. The structure of CsV3O8 has been refined with 1273 hkl Weissenberg data to an R factor of 0.089. The structures consist of corrugated sheets based on a linkage of distorted VO6, octahedra. Two of the vanadium atoms lie in double, square-pyramid groups V2O8, which are linked through opposite basal corners into chains along the b axis. The chains are joined laterally along the c axis into sheets by the third vanadium atom in VO groups, also forming part of a square-pyramid coordination. Various aspects of these structures are compared with other known oxovanadate structures.

Additional publication details

Publication type Article
Publication Subtype Journal Article
Title The crystal structures of potassium and cesium trivanadates
Series title Inorganic Chemistry
Volume 5
Issue 10
Year Published 1966
Language English
Larger Work Type Article
Larger Work Subtype Journal Article
Larger Work Title Inorganic Chemistry
First page 1808
Last page 1814