An X-ray diffraction study of Rb[UO2(SeO4)F] •H2O

被引：6
|
作者：
Serezhkina L.B. [1 ]
Vologzhanina A.V. [2 ]
Verevkin A.G. [1 ]
Serezhkin V.N. [1 ]
机构：
[1] Samara State University, Samara 443011
[2] Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, Moscow
来源：
Radiochemistry | 2011年 / 53卷 / 4期
关键词：
selenates; uranyl compounds; X-ray diffraction analysis;
D O I：
10.1134/S1066362211040023
中图分类号：
学科分类号：
摘要：
An X-ray diffraction study of Rb[UO2(SeO4)F] •H2O (I) was performed. The compound crystallizes in the rhombic system with the following unit cell parameters: a = 8.4753(6), b = 13.5234(9), c = 13.5296(9) Å, space group Pnma, Z = 8, V = 1550.7(2) Å3; R = 0.0248. The principal structural units of crystals of I are [UO2(SeO4)F]- layers belonging to crystal-chemical group AT3M2 (A = UO 2 2+, T3 = SeO 4 2-, M2 = F-) of uranyl complexes. The uranium-containing layered units are combined via electrostatic interaction with Rb cations and via a system of hydrogen bonds involving outer-sphere water molecules. © 2011 Pleiades Publishing, Ltd.
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页码：354 / 357
页数：3
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