Synthesis and X-ray diffraction study of K4[(UO2)2(C2O4)3(NCS)2] • 4H2O

被引：6
|
作者：
Serezhkina, L. B. [1 ]
Marukhnov, A. V. [1 ]
Peresypkina, E. V. [2 ]
Virovets, A. V. [2 ]
Medrish, I. V. [1 ]
Pushkin, D. V. [1 ]
机构：
[1] Samara State Univ, Samara 443011, Russia
[2] Russian Acad Sci, Nikolaev Inst Inorgan Chem, Siberian Branch, Novosibirsk 630090, Russia
来源：
RUSSIAN JOURNAL OF INORGANIC CHEMISTRY | 2008年 / 53卷 / 06期
关键词：
Coordination Polyhedron; Potassium Atom; Uranium Atom; Oxalate Group; Main Structural Unit;
D O I：
10.1134/S0036023608060028
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Single crystals of K-4[(UO2)(2)(C2O4)(3)(NCS)(2)] center dot 4H(2)O(I) have been synthesized and studied by X-ray diffraction. The crystals are monoclinic with the unit cell parameters a = 8.0226(7) angstrom, b = 14.9493(11) angstrom, c = 11.1670(9) angstrom, beta = 98.299(3)degrees, space group P2(1)/n, Z = 2, V = 1325.26(19) angstrom(3), R = 0.0186. The main structural units of the crystals of structure I are discrete binuclear groups [(UO2)(2)(C2O4)(3)(NCS)(2)](4-) belonging to the crystal-chemical group A(2)K(02)B(2)(01) M-2(1) (A =UO22+, K-02 =C2O42-, B-01 =C2O42-, M-1 = NCS-) of the uranyl complexes. The uranium-containing complexes are linked into a three-dimensional framework through the potassium ions and a system of hydrogen bonds involving the outer-sphere water molecules.
引用
收藏
页码：837 / 841
页数：5
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