Crystal structure of calcium perchlorate anhydrate, Ca(ClO4)2, from laboratory powder X-ray diffraction data

Lee D.; Bu H.; Kim D.; Hyoung J.; Hong S.-T.

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Crystal structure of calcium perchlorate anhydrate, Ca(ClO4)2, from laboratory powder X-ray diffraction data

机译：无水高氯酸钙Ca（ClO4）2的晶体结构，来自实验室粉末X射线衍射数据

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The crystal structure of calcium perchlorate anhydrate was determined from laboratory X-ray powder diffraction data. The title compound was obtained by heating hydrated calcium perchlorate [Ca(ClO4)2·xH2O] at 623 K in air for 12 h. It crystallizes in the orthorhombic space group Pbca and is isotypic with Ca(AlD4)2. The asymmetric unit contains one Ca, two Cl and eight O sites, all on general sites (Wyckoff position 8c). The crystal structure consists of isolated ClO4− tetrahedra and Ca2+ cations. The Ca2+ cation is coordinated by eight O atoms of eight symmetry-related ClO4− tetrahedra within a distorted square-antiprismatic environment.

机译：由实验室X射线粉末衍射数据确定无水高氯酸钙的晶体结构。通过将水合高氯酸钙[Ca（ClO4）2·xH2O]在空气中在623°K下加热12h，得到标题化合物。它在正交晶体空间群Pbca中结晶，与Ca（AlD4）2同型。不对称单元包含一个Ca，两个Cl和八个O位置，所有位置均位于一般位置（Wyckoff位置8c）。晶体结构由分离的ClO4-四面体和Ca2 +阳离子组成。 Ca2 +阳离子在扭曲的方形反棱角环境中由八个对称相关的ClO4-四面体中的八个O原子配位。

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《Acta Crystallographica Section E: Crystallographic Communications》 |2018年第4期|共4页
作者
Lee D.; Bu H.; Kim D.; Hyoung J.; Hong S.-T.;
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中图分类晶体学;
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CRYSTAL STRUCTUREPOWDER X-RAY DIFFRACTIONCALCIUM PERCHLORATE ANHYDRATECA(CLO4)2ISOTYPISM;

机译：晶体结构粉末X射线衍射高氯酸钙无水碳酸钙（CLO4）2同构;

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Crystal structure of calcium perchlorate anhydrate, Ca(ClO4)2, from laboratory powder X-ray diffraction data

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