Hexaaquanickel(II) disulfato(1,4,8,11-tetraazacyclotetradecane)nickelate(II) dihydrate

被引：5
|
作者：
Churchard, Andrew James [1 ]
Cyranski, Michal Ksawery [2 ]
Grochala, Wojciech [1 ,2 ]
机构：
[1] Univ Warsaw, ICM, PL-02089 Warsaw, Poland
[2] Univ Warsaw, Fac Chem, PL-02093 Warsaw, Poland
来源：
ACTA CRYSTALLOGRAPHICA SECTION C-STRUCTURAL CHEMISTRY | 2010年 / 66卷
关键词：
COMPLEXES;
D O I：
10.1107/S0108270110031598
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The title compound, [Ni(H2O)(6)][Ni(SO4)(2)(C10H24N4)]center dot 2H(2)O, is an unusual compound in that it is composed of a hexaaqua complex, formally a dication, and a mixed-donor complex (four N and two O atoms), formally a dianion, with substantial charge separation between the two nickel centres (6.536 A). The homoleptic dication complex consists of the weaker-field ligands, whilst the dianion retains the coordination of all the higher-field donors. Both nickel ions are located at centres of symmetry. This rare compound is placed in the context of previously reported structures which emphasizes its peculiarity.
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收藏
页码：263 / 265
页数：3
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