Abstract
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(ClO 4)2 ·xH2 O] at 623K in air for 12h. 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.
Original language | English |
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Pages (from-to) | 514-517 |
Number of pages | 4 |
Journal | Acta Crystallographica Section E: Crystallographic Communications |
Volume | 74 |
DOIs | |
State | Published - 1 Apr 2018 |
Bibliographical note
Publisher Copyright:© 2018 Lee et al.
Keywords
- Ca(ClO)
- calcium perchlorate anhydrate
- crystal structure
- isotypism
- powder X-ray diffraction