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Ba2(VO2)(PO4)(HPO4)·H2O, a New Barium Vanadium(V) Phosphate Hydrate Containing Trigonal Bipyramidal VO5Groups

✍ Scribed by Zsolt Bircsak; William T.A. Harrison

Publisher
Elsevier Science
Year
1998
Tongue
English
Weight
301 KB
Volume
140
Category
Article
ISSN
0022-4596

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✦ Synopsis

The hydrothermal synthesis, single crystal structure, and some physical properties of Ba 2 (VO 2 )(PO 4 )(HPO 4 ) • H 2 O, a new barium vanadium(V) phosphate hydrate, are reported. This phase is built up from one-dimensional chains of unusual VO 5 trigonal bipyramids and (H)PO 4 tetrahedra, fused together via V-O-P linkages. These anionic chains propagate along the polar [010] direction. 11-Coordinate barium cations and water molecules occupy the interchain regions and link the chains together. Structural data for this phase and other known barium vanadium phosphates are briefly compared. Crystal data: Ba 2 (VO 2 ) (PO 4 )(HPO 4 ) • H 2 O,

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