The iron phosphate CaFe3(PO4)3O

Autor: Mongi Ben Amara, Mourad Hidouri
Jazyk: angličtina
Rok vydání: 2009
Předmět:
Zdroj: Acta Crystallographica Section E, Vol 65, Iss 8, Pp i66-i66 (2009)
Druh dokumentu: article
ISSN: 16005368
1600-5368
DOI: 10.1107/S160053680902827X
Popis: A new iron phosphate, calcium triiron(III) tris(phosphate) oxide, CaFe3(PO4)3O, has been isolated and shown to exhibit a three-dimensional structure built by FeO6 octahedra, FeO5 trigonal bipyramids and PO4 tetrahedra. The FeOx (x = 5, 6) polyhedra are linked through common corners and edges, forming [Fe6O28]∞ chains with branches running along [010]. Adjacent chains are connected by the phosphate groups via common corners and edges, giving rise to a three-dimensional framework analogous to those of the previously reported SrFe3(PO4)3O and Bi0.4Fe3(PO4)3O structures, in which the Ca2+ cations occupy a single symmetry non-equivalent cavity.
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