Crystal structure of (H3O)2[(UO2) 2(SeO4)3(H2O)2](H 2O)3.5

被引：8

作者：

Krivovichev S.V. ^{[1
]}

Kahlenberg V. ^{[2
]}

机构：

[1] St. Petersburg State University, St. Petersburg

[2] Innsbruck University, Innsbruck

来源：

Radiochemistry | 2005年 / 47卷 / 5期

基金：

奥地利科学基金会;

关键词：

Hydrogen; Reflection; Aqueous Solution; Evaporation; Crystal Structure;

D O I：

10.1007/s11137-005-0116-4

中图分类号：

学科分类号：

摘要：

Crystals of (H3O)2[(UO2) 2(SeO4)3(H2O)2](H 2O)3.5 were prepared from aqueous solutions by evaporation. The crystal structure [monoclinic system, space group P2 1/m, a = 11.9402(11), b = 13.6452(14), c = 13.7271(12) Å, β = 109.436(7)°, V = 2109.1(3) Å3] was solved by the direct method and refined to R1 = 0.048 (wR2 = 0.082) for 3677 reflections with |F hkl| ≥ 4σ|F hkl|. The structure consists of [(UO2)2(SeO4) 3(H2O)2]2- layers arranged parallel to the (010) plane. The layers are formed by uranium and selenium coordination polyhedra sharing common vertices and are linked with each other by hydrogen bonds through the H2O and H3O+ groups arranged between the layers. ©2005 Pleiades Publishing, Inc.

引用

页码：452 / 455

页数：3

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