Neutron diffraction study of UO2SeO4 • 2D2O

被引：6
作者：
Marukhnov, A. V. [1 ]
Serezhkin, V. N. [1 ]
Pushkin, D. V. [1 ]
Smirnov, O. P. [2 ]
Plakhtii, V. P. [2 ]
机构：
[1] Samara State Univ, Samara 443086, Russia
[2] Russian Acad Sci, BP Konstantinov Nucl Phys Inst, St Petersburg 196140, Russia
来源：
RUSSIAN JOURNAL OF INORGANIC CHEMISTRY | 2008年 / 53卷 / 08期
基金：
俄罗斯基础研究基金会;
关键词：
Neutron Diffraction; Crystal Hydrate; Neutron Diffraction Study; Uranyl Complex; Neutron Diffraction Experiment;
D O I：
10.1134/S0036023608080214
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
A powdered sample of deuterated uranyl selenate dihydrate UO2SeO4 center dot 2D(2)O is studied by neutron diffraction. This compound crystallizes in monoclinic space group P2(1)/c; a = 6.974(1) angstrom, b = 8.289(2) angstrom, c = 11.664(2) angstrom, beta=92.319(6)degrees, Z = 4, R-f = 3.14, R-I = 5.53, chi(2) = 2.82. The main structural units of the compound are [UO2SeO4(D2O)(2)] chains propagating along [100]. These chains belong to the AT(3)M(2)(1) crystal-chemical group (A=UO22+, T3=SeO42-, and M-1 = D2O) of uranyl complexes. These chains are linked into a framework by a system of hydrogen bonds formed by water hydrogen atoms of one chain and uranyl oxygen atoms of another.
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页码：1283 / 1287
页数：5
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