Crystal structure of a double oxalate of Np(V) and Co(NH3) 63+, Co(NH3)6NpO2(C 2O4)2·1.5H2O

被引：4
|
作者：
Charushnikova I.A. [1 ]
Krot N.N. [1 ]
Polyakova I.N. [2 ]
机构：
[1] Institute of Physical Chemistry, Russian Academy of Sciences, Moscow
[2] Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, Moscow
来源：
Radiochemistry | 2005年 / 47卷 / 6期
关键词：
Oxygen; Crystallization; Crystal Structure; Water Molecule; Oxygen Atom;
D O I：
10.1007/s11137-006-0003-7
中图分类号：
学科分类号：
摘要：
The crystal structure of a dioxalate complex Co(NH3) 6NpO2(C2O4)2·1. 5H2O was studied. The structure consists of centrosymmetrical dimeric anions [NpO2(C2O4)2] 26-, [Co(NH3)6]3+ cations, and water molecules of crystallization. The NpO2+ dioxocations have close Np-O bond lengths (average 1.824 Å) and are noticeably bent (ONpO angle 175.6°). Each dioxocation in the [NpO 2(C2O4)2]26- anion is surrounded by five oxygen atoms of three C2O 42- anions; the Np coordination polyhedra are pentagonal bipyramids sharing a common edge. ©2005 Pleiades Publishing, Inc.
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页码：540 / 544
页数：4
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