Synthesis, IR spectra, and structures of double metaphosphates MNi(PO3)3 (M = Na or K)

被引：9
|
作者：
Kapshuk, AA [1 ]
Nagornyi, PG [1 ]
Petrenko, OV [1 ]
机构：
[1] Kiev State Univ, UA-252127 Kiev, Ukraine
来源：
CRYSTALLOGRAPHY REPORTS | 2000年 / 45卷 / 02期
关键词：
Phosphate; Crystallization; Structure Analysis; Thermal Property; Related Compound;
D O I：
10.1134/1.171164
中图分类号：
O7 [晶体学];
学科分类号：
0702 ; 070205 ; 0703 ; 080501 ;
摘要：
Double metaphosphates of the composition MNi(PO3)(3) (M = Na or K) were prepared by spontaneous crystallization from melts in the M2O-P2O5-NiO system. Their thermal properties were studied, and the IR spectra were analyzed. The complete X-ray structure analysis of the compounds synthesized was performed. The NaNi(PO3)(3) crystals are orthorhombic with the unit-cell parameters a = 13.781(2) Angstrom, b = 10.584(2) Angstrom, c = 9.873(1) Angstrom, sp. gr. Pcca. The KNi(PO3)(3) crystals belong to the sp. gr. R3 with the unit-cell parameters a = 10.076(2) Angstrom and c = 9.623(5) Angstrom. The structures of the studied phosphates are compared with the structures of the related compounds. (C) 2000 MAIK "Nauka/Interperiodica".
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收藏
页码：206 / 209
页数：4
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