A mixed-valent vanadium monophosphate with a chain-like structure:: Ba3V2O3(PO4)3

被引：12

作者：

Borel, MM

Leclaire, A

Chardon, J

Michel, C

Provost, J

Raveau, B

机构：

[1] Inst Sci Mat & Rayonnement, CNRS, UMR 6508, Lab CRISMAT, F-14050 Caen, France

[2] Univ Caen, F-14050 Caen, France

来源：

JOURNAL OF SOLID STATE CHEMISTRY | 1998年 / 135卷 / 02期

关键词：

D O I：

10.1006/jssc.1997.7641

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

A new mixed-valence vanadium monophosphate with a chain-like structure has been synthesized. It crystallizes in the P2(1)2(1)2(1) space group with a = 5.137(1), b = 12.418(1), and c = 20.724(3) Angstrom. The structure consists of [V2P3O15](infinity) ribbons running along a, whose cohesion is ensured by Ba2+ cations, Each ribbon is built from two sorts of chains:[VPO7](infinity) chains, which consist of corner-sharing VO5, trigonal bipyramids and PO4 tetrahedra, and [VP2O10](infinity) chains built of VO6 octahedra and PO4 tetrahedra. The vanadium-centered polyhedra are linked together by corner-sharing, so that V2O10 units are formed, Charge ordering is observed on the vanadium species, with V(IV) in the octahedron and V(V) in the bipyramid. (C) 1998 Academic Press.

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页码：302 / 306

页数：5

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