SYNTHESIS AND CRYSTAL-STRUCTURE OF NA1+XV4P4O17(OH) (X-ALMOST-EQUAL-TO-1.44)

被引:13
作者
LEBAIL, A [1 ]
LEBLANC, M [1 ]
AMOROS, P [1 ]
机构
[1] UNIV VALENCIA,FAC CIENCIES QUIM,DEPT QUIM INORGAN,UIBCM,E-46100 BURJASSOT,SPAIN
关键词
D O I
10.1016/0022-4596(90)90080-H
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
Hydrothermal synthesis starting from Na0.46VOPO4 · 1.58H2O leads to a new mixed-valence sodium vanadium phosphate: Na2.44V4P4O17(OH) (orthorhombic, space group Pnma; Z = 4; a = 13.723(5) Å, b = 6.314(2) Å, c = 16.139(4) Å; R = 0.032 for 2659 reflections). In this phase, the interconnection of three complex types of infinite chains, built from VO6 octahedra and PO4 tetrahedra, sometimes edgeshared, defines tunnels partly occupied by a portion of the sodium atoms. © 1990.
引用
收藏
页码:178 / 185
页数:8
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