THE CRYSTAL-STRUCTURE OF THE MIXED METAL (CA,NA) COMPLEX WITH BENZENE-1,2-DIOXYDIACETIC ACID, CATENA-[PENTAAQUABIS(BENZENE-1,2-DIOXYDIACETATO)CALCIUM(II)-SODIUM(I) DIHYDRATE]

被引：9
作者：
SMITH, G [1 ]
BOTT, RC [1 ]
SAGATYS, DS [1 ]
KENNARD, CHL [1 ]
机构：
[1] UNIV QUEENSLAND,DEPT CHEM,BRISBANE 4072,AUSTRALIA
来源：
POLYHEDRON | 1991年 / 10卷 / 13期
关键词：
D O I：
10.1016/S0277-5387(00)86081-7
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
The mixed metal (Ca,Na) complex of benzene-1,2-dioxydiacetic acid (BDDAH2), {[Na2Ca(C10H8O6)2(H2O)5].2H2O}n has been prepared and its crystal structure determined by X-ray diffraction from data collected at 178 K. The calcium is bonded to the four "inner" oxygens of two BDDA ligands giving almost square eight-coordination [Ca-O, 2.323-2.513(3) angstrom]. Sodium ions link the calcium units via the "outer" carboxyl oxygens forming an infinite chain polymer. Water molecules complete four- and five-coordination about each sodium [Na-O, 2.282-2.428(4) angstrom].
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页码：1565 / 1568
页数：4
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