Na(7)Al(3)(As(2)O(7))(4)

The title compound, hepta­sodium trialuminium tetrakis(diarsenate), has been isolated as single crystals from a solid-state reaction. Its structure, which is isotypic with that of the Na(7)Fe(3)(X (2)O(7))(4) (X = As, P) family of compounds, consists of AlO(6) octa­hedra sharing their vertices with...

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Detalles Bibliográficos
Autores principales: Fakhar Bourguiba, Noura, Driss, Ahmed
Formato: Online Artículo Texto
Lenguaje:English
Publicado: International Union of Crystallography 2013
Materias:
Inorganic Papers
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3793671/
https://www.ncbi.nlm.nih.gov/pubmed/24109258
http://dx.doi.org/10.1107/S1600536813020151
Descripción
Sumario:The title compound, hepta­sodium trialuminium tetrakis(diarsenate), has been isolated as single crystals from a solid-state reaction. Its structure, which is isotypic with that of the Na(7)Fe(3)(X (2)O(7))(4) (X = As, P) family of compounds, consists of AlO(6) octa­hedra sharing their vertices with As(2)O(7) groups, forming a three-dimensional [Al(3)(As(2)O(7))(4)](∞) framework incorporating channels occupied by the sodium ions. One of the aluminium ions lies on a crystallographic twofold axis. The sodium ions are situated over ten positions (one with site symmetry 2), all but one of which are partially occupied.

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