Synthesis and ab initio X-ray powder diffraction structure of the new alkali and alkali earth metal borate NaCa(BO3)

被引：26
|
作者：
Wu, L [1 ]
Chen, XL [1 ]
Li, XZ [1 ]
Dai, L [1 ]
Xu, YP [1 ]
Zhao, M [1 ]
机构：
[1] Chinese Acad Sci, Inst Phys, Nanoscale Phys & Device Lab, Beijing 100080, Peoples R China
来源：
ACTA CRYSTALLOGRAPHICA SECTION C-STRUCTURAL CHEMISTRY | 2005年 / 61卷
关键词：
D O I：
10.1107/S010827010401964X
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A sodium calcium borate, NaCaBO3, has been synthesized by the solid-state reaction method and the structure solved from X-ray powder diffraction data. The compound crystallizes in space group Pmmn and has a desired structure type containing isolated planar BO33- anions. Mixed occupancy is found to exist in the Ca site, with partial replacement by Na. One Ca/Na mixed atom and one Na atom are at sites with mm2 symmetry, and a second Ca/Na mixed atom, an Na atom, two B and two O atoms are on mirror planes.
引用
收藏
页码：I32 / I34
页数：3
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