Single crystal structures of the new vanadates CuMgVO4 and AgMgVO4

Hamdi Ben Yahia, Masahiro Shikano, Rachid Essehli, Ilias Belharouak

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

The new compounds CuMgVO4 and AgMgVO4 have been synthesized by a solid state reaction route. Their crystal structures were determined from single-crystal X-ray diffraction data. CuMgVO4 crystallizes with Na2CrO4-type structure with space group Cmcm, a = 5.6932 (10), b = 8.7055 (15), c = 6.2789 (10) Å, V = 311.20 (9) Å3, and Z = 4, whereas AgMgVO4 crystallizes in the maricite-type structure with space group Pnma, a = 9.4286 (14), b = 6.7465 (10), c = 5.3360 (8) Å, V = 339.42 (9) Å3, and Z = 4. Both structures of CuMgVO4, and AgMgVO4 contain MgO4 chains made up of edge-sharing MgO6 octahedra. In CuMgVO4 the MgO4 chains are interconnected through CuVO4 double chains made up of VO4 and CuO4 tetrahedra sharing corners and edges, however in AgMgVO4 the chains are interlinked by the VO4 and AgO4 tetrahedra sharing only corners.

Original languageEnglish
Pages (from-to)128-132
Number of pages5
JournalMaterials Chemistry and Physics
Volume178
DOIs
StatePublished - 2016
Externally publishedYes

Funding

Part of this work was financially supported by the Japan Society for the Promotion of Science (JSPS) KAKENHI Grant-in-Aid for JSPS Fellows Grant Number 24·02506 .

FundersFunder number
Japan Society for the Promotion of Science02506

    Keywords

    • Crystal growth
    • Crystal structure
    • Inorganic compounds
    • Oxides
    • Phase transitions

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