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K?V?O?(AsO?)?.

ABSTRACT: The vanadium oxide arsenate with formula K?V?O?(AsO?)?, dipotassium divanadium(IV) dioxide diarsenate, has been synthesized by solid-state reaction in an evacuated silica ampoule. Its structure is isotypic with K?V?O?(PO?)?. The framework is built up from corner-sharing VO? octa-hedra and AsO? tetra-hedra, creating an infinite [VAsO?](?) chain running along the a- and c-axis directions. The K? cations are located in hexa-gonal tunnels, which are delimited by the connection of the [VAsO?](?) chains.

SUBMITTER: Belkhiri S 

PROVIDER: S-EPMC3393139 | biostudies-literature | 2012 Jul

REPOSITORIES: biostudies-literature

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K₂V₂O₂(AsO₄)₂.

Belkhiri Sabrina S   Mezaoui Djillali D   Roisnel Thierry T  

Acta crystallographica. Section E, Structure reports online 20120623 Pt 7

The vanadium oxide arsenate with formula K₂V₂O₂(AsO₄)₂, dipotassium divanadium(IV) dioxide diarsenate, has been synthesized by solid-state reaction in an evacuated silica ampoule. Its structure is isotypic with K₂V₂O₂(PO₄)₂. The framework is built up from corner-sharing VO₆ octa-hedra and AsO₄ tetra-hedra, creating an infinite [VAsO₈](∞) chain running along the a- and c-axis directions. The K⁺ cations are located in hexa-gonal tunnels, which are delimited by the connection of the [VAsO₈](∞) chai  ...[more]

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