Na(H2O)[Mn(H2O)2(BP2O8)]: Crystal structure refinement

被引：0
|
作者：
O. V. Yakubovich
I. Steele
O. V. Dimitrova
机构：
[1] Moscow State University,Faculty of Geology
[2] University of Chicago,undefined
来源：
Crystallography Reports | 2009年 / 54卷
关键词：
61.10.Nz;
D O I：
暂无
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学科分类号：
摘要：
The crystal structure of synthetic manganese sodium borophosphate hydrate Na(H2O)[Mn(H2O)2(BP2O8)] was refined based on X-ray diffraction data. The compound was prepared by soft hydrothermal synthesis in the MnCl2-Na3PO4-B2O3-H2O system. The unit-cell parameters are a= 9.602(1) Å, c= 16.037(3) Å, sp. gr. P6522, Z= 6, Dx = 2.57 g/cm3. The water molecules were found to be statistically distributed in the channels of the mixed anionic paraframework consisting of (BO4) and (PO4) tetrahedra and [MnO4(H2O)2] octahedra. The hydrogen atoms of the water molecules coordinated to the Mn2+ cations were located and their positional and thermal parameters were refined. The crystal-chemical features of borophosphates of the general formula AxM(H2O)2(BP2O8)(H2O) are considered.
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页码：13 / 18
页数：5
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