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一种新型钾镁矾型磷酸盐：K(2)AlSn(PO(4))(3) 。

A new langbeinite-type phosphate: K(2)AlSn(PO(4))(3).

作者信息

Li Hai-Yan, Zhao Dan

机构信息

Department of Physics and Chemistry, Henan Polytechnic University, Jiaozuo, Henan 454000, People's Republic of China.

出版信息

Acta Crystallogr Sect E Struct Rep Online. 2011 Oct 1;67(Pt 10):i56. doi: 10.1107/S1600536811037263. Epub 2011 Sep 20.

DOI:10.1107/S1600536811037263
PMID:22058680
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC3201338/
Abstract

Single crystals of the title compound, dipotassium aluminium tin(IV) tris-[phosphate(V)], K(2)AlSn(PO(4))(3), were synthesized by a high temperature reaction in a platinum crucible. In the structure, the Al(III) and Sn(IV) atoms occupy the same site on a threefold rotation axis with occupational disorder in a 1:1 ratio. In the three-dimensional structure, Al/SnO(6) octa-hedra and PO(4) tetra-hedra are inter-connected via their vertices, yielding a Al/SnP(3)O(12) framework. The K atoms (site symmetry 3) reside in the large cavities delimited by the Al/SnP(3)O(12) framework, and are surrounded by 12 O atoms.

摘要

标题化合物二钾铝锡（IV）三[磷酸（V）]，K₂AlSn(PO₄)₃的单晶，是在铂坩埚中通过高温反应合成的。在该结构中，Al（III）和Sn（IV）原子占据三重旋转轴上的同一位置，存在1:1比例的占位无序。在三维结构中，Al/SnO₆八面体和PO₄四面体通过顶点相互连接，形成一个[Al/SnP₃O₁₂]ₙ骨架。K原子（位点对称性3）位于由[Al/SnP₃O₁₂]ₙ骨架界定的大空腔中，并被12个O原子包围。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3794/3201338/1d8308d997d8/e-67-00i56-fig2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3794/3201338/277d1aa92342/e-67-00i56-fig1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3794/3201338/1d8308d997d8/e-67-00i56-fig2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3794/3201338/277d1aa92342/e-67-00i56-fig1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3794/3201338/1d8308d997d8/e-67-00i56-fig2.jpg

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本文引用的文献

1
A short history of SHELX.SHELX简史。
Acta Crystallogr A. 2008 Jan;64(Pt 1):112-22. doi: 10.1107/S0108767307043930. Epub 2007 Dec 21.
2
New phosphate langbeinites, K2MTi(PO4)3 (M = Er, Yb or Y), and an alternative description of the langbeinite framework.新型磷酸钾镁钛矿，K2MTi(PO4)3（M = 铒、镱或钇），以及钾镁矾骨架的另一种描述
Acta Crystallogr B. 2002 Oct;58(Pt 5):743-9. doi: 10.1107/s0108768102013782. Epub 2002 Sep 24.