BIS(ACETATO-O)BIS(UREA-O)ZINC(II),[ZN(H2NCONH2)(2)(CH3COO)(2)]

被引：11
|
作者：
YAR, O
LESSINGER, L
机构：
来源：
ACTA CRYSTALLOGRAPHICA SECTION C-CRYSTAL STRUCTURE COMMUNICATIONS | 1995年 / 51卷
关键词：
D O I：
10.1107/S0108270195006974
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The title molecular complex, [Zn(C2H3O2)(2)(CH4-N2O)(2)], crystallized from an aqueous solution of urea and zinc acetate in a 2:1 ratio. Zn-II is coordinated by four O atoms in a systematically distorted tetrahedral arrangement, while the complex as a whole has an approximate twofold rotation axis. Each urea ligates via its carbonyl O atom, while each acetate is monodentate. Each non-ligating carbonyl O atom of the acetate ligands accepts an intramolecular hydrogen bond from urea. Intermolecular hydrogen bonds give rise to a layer structure, with the layers stacked by van der Waals attractions only.
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页码：2282 / 2285
页数：4
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