CRYSTAL-STRUCTURE OF DECACALCIUM TETRAPOTASSIUM HEXAKIS(PYROPHOSPHATE) NONAHYDRATE

被引：1
|
作者：
MATHEW, M [1 ]
AMMON, HL [1 ]
机构：
[1] UNIV MARYLAND,DEPT CHEM & BIOCHEM,COLLEGE PK,MD 20742
来源：
JOURNAL OF CHEMICAL CRYSTALLOGRAPHY | 1995年 / 25卷 / 05期
关键词：
CALCIUM PHOSPHATE; CALCIUM PYROPHOSPHATE; CALCIUM POTASSIUM PYROPHOSPHATE; CRYSTAL STRUCTURE; LAYER-TYPE STRUCTURE;
D O I：
10.1007/BF01665172
中图分类号：
O7 [晶体学];
学科分类号：
0702 ; 070205 ; 0703 ; 080501 ;
摘要：
The crystal structure of Ca10K4(P2O7)(6) . 9H(2)O has been determined by single crystal X-ray diffraction. Crystals are hexagonal, space group P6(3)cm with a = 11.761(1), c = 9.770(1) Angstrom, and Z = 1. The structure was refined to R = 0.028 and R(w) = 0.037 for 468 reflections with I greater than or equal to 3 sigma(I). The structure consists of a compact assembly of Ca and P2O7 ions arranged in layers perpendicular to the c-axis in a hexagonal array with relatively large open channels along the c-axis. The K ions and the water molecules are located in these open channels and are disordered.
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页码：219 / 222
页数：4
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