Neptunium(V) Carbamide Complexes. The structure of [NpO2(HCOO){OC(NH2)2}3]

被引：0
|
作者：
N. A. Budantseva
G. B. Andreev
A. M. Fedoseev
M. Yu. Antipin
机构：
[1] Russian Academy of Sciences,Institute of Physical Chemistry
[2] Russian Academy of Sciences,Nesmeyanov Institute of Organoelement Compounds
来源：
Russian Journal of Coordination Chemistry | 2004年 / 30卷
关键词：
Physical Chemistry; Crystal Structure; Carbamide; Absorption Spectrum; Equatorial Plane;
D O I：
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中图分类号：
学科分类号：
摘要：
A new complex of Np(V) [NpO2(HCOO){OC(NH2)2}3] (I) was synthesized and its crystal structure was determined: a = 6.674(1) Å, b = 13.164(2) Å, c = 7.020(1) Å, β = 101.35(1)°, space group P21, Z = 2, V = 604.7(2) Å3, R = 0.048, wR(F 2) = 0.128. The structure consists of infinite chains of [NpO2(HCOO){OC(NH2)2}3]∞. The coordination polyhedron of the Np atom is a pentagonal bipyramid with the O atoms of three carbamide molecules and two formate ions in the equatorial plane. The absorption spectra were measured in IR and near-IR regions for compound I and for the [NpO2Cl{OC(NH2)2}4] complex, whose structure was reported in the previous publication.
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页码：713 / 717
页数：4
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