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.
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.
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。
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