SYNTHESES AND CRYSTAL-STRUCTURES OF 7-COORDINATE (ETHYLENEDIAMINE-N,N,N',N'-TETRAACETATO)AQUAVANADATE(III) COMPLEXES

被引：25

作者：

SHIMOI, M ^{[1
]}

SAITO, Y ^{[1
]}

OGINO, H ^{[1
]}

机构：

[1] TOHOKU UNIV, FAC SCI, DEPT CHEM, AOBA KU, SENDAI, MIYAGI 980, JAPAN

来源：

BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN | 1991年 / 64卷 / 09期

关键词：

D O I：

10.1246/bcsj.64.2629

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

K[V(edta)(H2O)].2H2O (1a) was prepared by the reaction of VCl3 with K4 edta. The compound was converted to its sodium and ammonium salts by use of a cation exchange resin. Crystal structure analyses of Na[V(edta)(H2O)].3H2O (1b) and NH4[V(edta)(H2O)].2.5H2O (1c) revealed that in both compounds the vanadium atom adopts a capped trigonal-prismatic structures with a hexadentate ethylenediaminetetraacetato ligand and an aqua ligand. Crystal data are as follows: 1b: Monoclinic, P2(1)/a, a = 17.831 (3), b = 8.408 (1), c = 11.595 (2) angstrom, beta = 109.39 (1)-degrees, Z = 4, R = 0.045 for 6321 reflections; 1c: Monoclinic, Aa, a = 8.552 (1), b = 59.948 (6), c = 7.226 (1) angstrom, beta = 114.95 (1)-degrees, Z = 8, R = 0.050 for 6087 reflections.

引用

页码：2629 / 2634

页数：6

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