镨铁石榴石（Pr(3)Fe(5)O(12)）：同步辐射研究
Tripraseodymium penta-iron(III) dodeca-oxide, Pr(3)Fe(5)O(12): a synchrotron radiation study.
作者信息
Komori Takashi, Sakakura Terutoshi, Takenaka Yasuyuki, Tanaka Kiyoaki, Okuda Takashi
出版信息
Acta Crystallogr Sect E Struct Rep Online. 2009 Oct 3;65(Pt 11):i73. doi: 10.1107/S1600536809038100.
The title compound, penta-iron tripraseodymium dodeca-oxide (PrIG), has an iron garnet structure. There are two Fe site symmetries. One of the Fe atoms is coordinated by six O atoms, forming a slightly distorted octa-hedron, and has site symmetry. The other Fe atom is coordinated by four O atoms, forming a slightly distorted tetra-hedron, and has site symmetry. FeO(6) octa-hedra and FeO(4) tetra-hedra are linked together by corners. The Pr atom is coordinated by eight O atoms, forming a distorted dodeca-hedron, and has 222 site symmetry. The O atoms occupy the general positions.
标题化合物五铁三镨十二氧化物（PrIG）具有铁石榴石结构。存在两种铁位点对称性。其中一个铁原子由六个氧原子配位，形成一个轻微扭曲的八面体，并具有位点对称性。另一个铁原子由四个氧原子配位，形成一个轻微扭曲的四面体，并具有位点对称性。FeO(6)八面体和FeO(4)四面体通过角相连。镨原子由八个氧原子配位，形成一个扭曲的十二面体，并具有222位点对称性。氧原子占据一般位置。
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