Synthesis and crystal structure of bis(malonato)tetra(aqua)barium(II)cobalt(II):: [BaCo(C3H2O4)2(H2O)4]

被引：16
作者：
Djeghri, A
Balegroune, F
Guehria-Laidoudi, A
Toupet, L
机构：
[1] USTHB, Fac Chim, Lab Cristallog Thermodynam, Bab Ezzouar 16111, Alger, Algeria
[2] Univ Rennes 1, CNRS, UMR 6626, Grp Mat Condensee & Mat, F-35042 Rennes, France
来源：
JOURNAL OF CHEMICAL CRYSTALLOGRAPHY | 2005年 / 35卷 / 08期
关键词：
polymeric structure; cobalt(II); barium(II); dicarboxylate; edge-sharing polyhedra;
D O I：
10.1007/s10870-005-3245-x
中图分类号：
O7 [晶体学];
学科分类号：
0702 ; 070205 ; 0703 ; 080501 ;
摘要：
The title compound [BaCo(C3H2O4)(2)(H2O)(4)] was synthesized and its crystal structure was determined. The compound is orthorhombic, space group Pccn with a = 18.974(3) angstrom, b = 6.783(2) angstrom, c = 9.394(4) angstrom. The structure is polymeric and consists of edge-sharing BaO8 polyhedra and CoO6 octahedra linked together by the malonate groups. The geometry around the Ba(II) centres is a slightly distorted square-antiprism with Ba-O distances ranging from 2.789(4) to 2.843(4) angstrom. Around the Co(II) centres, the coordination forms a distorted octahedron with Co-O bonds between 2.040(3) and 2.238(4) angstrom.
引用
收藏
页码：603 / 607
页数：5
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