钼酸（Ⅵ）磷酸（Ⅴ）钐（Ⅲ）二钾，K(2)Sm(MoO(4))(PO(4))
Dipotassium samarium(III) molybdate(VI) phosphate(V), K(2)Sm(MoO(4))(PO(4)).
作者信息
Zhao Dan, Li Feifei, Cheng Wendan, Zhang Hao
出版信息
Acta Crystallogr Sect E Struct Rep Online. 2009 Oct 17;65(Pt 11):i78. doi: 10.1107/S1600536809041622.
The title compound, K(2)Sm(MoO(4))(PO(4)), has been prepared under atmospheric conditions using a high temperature solution growth (HTSG) method. The structure of K(2)Sm(MoO(4))(PO(4)) is isotypic with other A(2)M(MoO(4))(PO(4)) compounds, where A = Na or K, and M = trivalent rare earth cation. It can be described as being built up from two-dimensional anionic layers with composition Sm(MoO(4))(PO(4)) that are stacked along the c axis and are inter-connected by K(+) cations which are in an eightfold coordination by O atoms. The SmO(8), MoO(4) and PO(4) polyhedra exhibit 2 symmetry.
标题化合物K₂Sm(MoO₄)(PO₄)是在大气条件下采用高温溶液生长（HTSG）法制备的。K₂Sm(MoO₄)(PO₄)的结构与其他A₂M(MoO₄)(PO₄)化合物同型，其中A = Na或K，M = 三价稀土阳离子。它可以描述为由组成[Sm(MoO₄)(PO₄)]²⁻的二维阴离子层构成，这些阴离子层沿c轴堆叠，并通过与O原子形成八重配位的K⁺阳离子相互连接。SmO₈、MoO₄和PO₄多面体呈现2重对称性。
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