Heteropoly blue Rb_4.4[H_0.6V_0.6Mo₁₂O₄₀]

The structure of rubidium tetracontaoxo(hydro)(dodecamolybdo)vanadate tetradecahydrate is built up of heteropolyoxy anions with the general formula XM₁₂O₄₀ (X = V^V and M = Mo^VI or V^IV) that conform with the Keggin family of structures.

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