THE STRUCTURE OF KUO2PO4.3D2O REFINED FROM NEUTRON AND SYNCHROTRON-RADIATION POWDER DIFFRACTION DATA

被引:47
作者
FITCH, AN
COLE, M
机构
[1] Department of Chemistry, University of Keele
关键词
POTASSIUM; URANYLS; PHOSPHATES; TRIHYDRATES;
D O I
10.1016/0025-5408(91)90055-Q
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
The crystal structure of deuterated potassium uranyl phosphate trihydrate, KUO2PO4.3D2O, has been simultaneously refined from high resolution powder neutron and synchrotron-radiation diffraction data. The structure is tetragonal, space group P4/ncc, with a = 6.99379(2) angstrom and c = 17.78397(7) angstrom, and is isostructural with the analogous arsenate, the mineral abernathyite. A phase transition is observed at about 270 K.
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页码:407 / 414
页数:8
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