Hydrothermal synthesis and crystal and molecular structure of a binuclear dioxovanadium(V) species exhibiting a bridging HPO4(2-) ligand, [(VO2)(2)(HPO4)(2,2'-bipy)(2)].H2O

被引：29
|
作者：
Zhang, YP
Haushalter, RC
Zubieta, J
机构：
[1] NEC RES INST,PRINCETON,NJ 08540
[2] SYRACUSE UNIV,DEPT CHEM,SYRACUSE,NY 13244
来源：
INORGANICA CHIMICA ACTA | 1997年 / 260卷 / 01期
基金：
美国国家科学基金会;
关键词：
crystal structures; vanadium complexes; oxo complexes; phosphate-bridged complexes; dinuclear complexes;
D O I：
10.1016/S0020-1693(96)05545-4
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
The hydrothermal reaction of V2O5, CuO, 2,2'bipyridine, H3PO4, n-Bu4NOH, and H2O in the mole ratio 1.0:0.86:2.05:3.54: 1.40:449 at 160 degrees C for 46 h yields [(VO2)(2)(HPO4)(2,2-bipy)(2)] . H2O (1). The binuclear species is constructed from two edge-sharing dioxovanadium(V) octahedra, exhibiting a {V2O4} core in the anti-coplanar orientation. Two binuclear units are linked through the hydrogen atoms of pendant (O=P-OH) groups on adjacent dimers to give a dimer of dimers, in a manner reminiscent of carboxylic acids. Crystal data: [(VO2)(2)(HPO4)(2,2'-bipy)(2)] H2O (1): monoclinic P2(1)/n, a=9.244(6) Angstrom, b=16.197(3) Angstrom, c=15.334(2) Angstrom, beta=99.35(3)degrees, V=2265(1) Angstrom, Z=4; 2900 reflections; R=0.039, R-w=0.046.
引用
收藏
页码：105 / 110
页数：6
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