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Synthese, etude et validation structurale d'un triple bis-molybdate en couches, Ag0.60Na0.40Fe(MoO4)2 lie a yavapaiite.


ABSTRACT: The title compound, Ag0.60Na0.40Fe(MoO4)2 {silver sodium iron(III) bis-[molyb-date(VI)]}, was synthesized by a solid-state reaction. The structure is built up from FeO6 octa-hedra and MoO4 tetra-hedra sharing corners to form a two-dimensional framework parallel to the (001) plane. The occupationally disordered (Ag/Na)(+) cations are located in the inter-layer space. These [Fe(MoO4)2 (-)] n layers are similar to those in the isotypic yavapaiite-related structure of NaFe(MoO4)2. All atoms are on general positions except for Fe (site symmetry -1) and Ag/Na (site symmetry 2). The Ag/Na occupancies of the latter site were refined to 0.597?(4):0.403?(5). The title structure is compared to similar structures.

SUBMITTER: Souilem A 

PROVIDER: S-EPMC4908507 | biostudies-literature | 2016 May

REPOSITORIES: biostudies-literature

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Synthèse, étude et validation structurale d'un triple bis-molybdate en couches, Ag0.60Na0.40Fe(MoO4)2 lié à yavapaiite.

Souilem Amira A   Zid Mohamed Faouzi MF  

Acta crystallographica. Section E, Crystallographic communications 20160426 Pt 5


The title compound, Ag0.60Na0.40Fe(MoO4)2 {silver sodium iron(III) bis-[molyb-date(VI)]}, was synthesized by a solid-state reaction. The structure is built up from FeO6 octa-hedra and MoO4 tetra-hedra sharing corners to form a two-dimensional framework parallel to the (001) plane. The occupationally disordered (Ag/Na)(+) cations are located in the inter-layer space. These [Fe(MoO4)2 (-)] n layers are similar to those in the isotypic yavapaiite-related structure of NaFe(MoO4)2. All atoms are on g  ...[more]

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