Synthesis and structure of M[UO2(C2O4)(NCS)] · 0.5H2O (M = Rb or Cs)

被引：0
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作者：
I. V. Medrish
E. V. Peresypkina
A. V. Virovets
L. B. Serezhkina
机构：
[1] Samara State University,Nikolaev Institute of Inorganic Chemistry, Siberian Branch
[2] Russian Academy of Sciences,undefined
来源：
Russian Journal of Inorganic Chemistry | 2008年 / 53卷
关键词：
Oxalate; Rubidium; Uranium Atom; Uranyl Complex; Oxalate Group;
D O I：
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中图分类号：
学科分类号：
摘要：
Single crystals of M[UO2(C2O4)(NCS)] · 0.5H2O (M = Rb (I) or Cs (II)) have been synthesized and studied by X-ray diffraction analysis. The compounds are isostructural, and their crystals are monoclinic with the space group C2/c, Z = 4, and unit cell parameters: a = 9.0624(5) Å, b = 13.1242(7) Å, c = 8.9204(5) Å, β = 98.897(2)°, R = 0.0226 (I); a = 9.3171(3) Å, b = 13.2987(5) Å, c = 9.1151(3) Å, β = 101.0860(10)°, R = 0.0214 (II). The main structural units of the crystals of I and II are the [[UO2(C2O4)(NCS)]− chains belonging to the crystal-chemical group AK02M1 (A = UO22+, K02 = C2O42−, M1 = NCS− of the uranyl complexes. The uranium-containing chains are joined into a three-dimensional framework through electrostatic interactions with the outer-sphere cations and hydrogen bonds involving the water molecules.
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页码：1040 / 1045
页数：5
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