Synthesis and crystal structure of bis(carbamide)chromatoneptunyl NpO2CrO4 · 2[OC(NH2)2]

被引：0
|
作者：
G. B. Andreev
M. Yu. Antipin
A. M. Fedoseev
N. A. Budantseva
机构：
[1] Russian Academy of Sciences,Institute of Physical Chemistry
[2] Russian Academy of Sciences,Nesmeyanov Institute of Organoelement Compounds
来源：
Crystallography Reports | 2001年 / 46卷
关键词：
Oxygen; Crystal Structure; Carbamide; Chromate; Oxygen Atom;
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学科分类号：
摘要：
The crystal structure of the hexavalent neptunium complex NpO2CrO4 · 2[OC(NH2)2] is determined. The crystal data are a = 7.192(2) Å, b = 12.902(4) Å, c = 11.226(3) Å, β = 92.19(2)°, V = 1040.9(4) Å3, space group P21/n, Z = 4, dcalcd = 3.223 g/cm3, R = 0.045, and Rw = 0.130. The coordination polyhedron of the Np atom is the pentagonal bipyramid whose equatorial plane is formed by the oxygen atoms of the chromate ions and carbamide molecules.
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页码：383 / 384
页数：1
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