Synthesis, structure, and absorption spectra of complex neptunium(V) chromate with the guanidinium cation, [C(NH2)3]3[NpO2(CrO4)2] · (H2O)

被引：0
|
作者：
N. A. Budantseva
M. S. Grigor’ev
A. M. Fedoseev
机构：
[1] Russian Academy of Sciences,Frumkin Institute of Physical Chemistry and Electrochemistry
来源：
Russian Journal of Coordination Chemistry | 2013年 / 39卷
关键词：
Coordination Chemistry; Bipy; Coordination Polyhedron; Neptunium; Pentagonal Bipyramid;
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) with the chromate ion and an organic outer-sphere guanidinium cation is isolated from an aqueous solution. Its composition and structure are determined by X-ray diffraction analysis. The structure of [C(NH2)3]3[NpO2(CrO4)2](H2O) (I) is based on anionic chains [CpO2(CrO4)2][n3nt- between which guanidinium cations and crystallization water molecules are localized. Coordination polyhedra of the Np atoms (pentagonal bipyramids) in the anionic chains are joined in pairs through common equatorial edges. Singularities of the electronic and IR absorption spectra of compound I are discussed.
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页码：360 / 365
页数：5
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