A new triple hexa­kis­(molybdate), Ag0.90Al1.06Co2.94(MoO4)5, was synthesized using a solid-state reaction at 845 K. Dimers M 2O10 (M = Co/Al) and trimers M 3O14 link to the MoO4 tetra­hedra by sharing corners and form a three-dimensional framework with the inter­stitial sites occupied by Ag+ cations.

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Brannerite-type Li[VMoO6] has been synthesized by a solid state reaction route. The V and Mo atoms statistically occupy the same site with mirror symmetry and are octa­hedrally surrounded by O atoms. The framework is two-dimensional and is built up from edge-sharing (V,Mo)O6 octa­hedra forming (VMoO6)∞ layers that run parallel to the (001) plane. Li+ ions are situated in position with symmetry 2/m in the inter­layer space. The bond-valence analysis reveals that the Li+ ionic conductivity is along the [010] and [110] directions, and shows that this material may have inter­esting conduction properties. This simulation proposes a model of the lithium conduction pathways.

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