A VANADIUM (III) PHOSPHATE WITH V2O10 OCTAHEDRAL UNITS - KV4P7O24

被引:17
作者
BENHAMADA, L
GRANDIN, A
BOREL, MM
LECLAIRE, A
RAVEAU, B
机构
[1] Laboratoire de Cristallographie et Sciences des Matériaux, CRISMAT, URA 1318 associé au CNRS, ISMRA, Université de Caen, 14050 Caen Cedex, Boulevard du Maréchal Juin
关键词
D O I
10.1006/jssc.1993.1153
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
A new vanadium III phosphate, KV4P7O24, was isolated and its structure was determined from single crystal X-ray diffraction data. This phase crystallizes in the triclinic space group P1̄ with a = 10.0846 (7); b = 10.2309 (6); c = 10.8283 (9) Å; α = 112.757 (5); β = 109.226 (7); γ = 104.675 (5)°. The [V4P7O24]∞ host lattice is built-up from corner-sharing PO4 tetrahedra, P2O7 groups, P4O13 units, and pairs of edge-sharing VO6 octahedra forming V2O10 units. This mixed framework delimits cages where the potassium cations are located. The relationships between this structure and the V(IV) phosphate (VO)2P2O7 are discussed. © 1993 Academic Press, Inc.
引用
收藏
页码:193 / 201
页数:9
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