Sel mixte de lithium et de sodium eicosahydrate, Na_5.22Li_0.78[V₁₀O₂₈]·20H₂O

The structure of the title compound, sodium lithium decavanadate eicosahydrate, Na_5.22Li_0.78[V₁₀O₂₈]·20H₂O, is characterised by [V₁₀O₂₈]^6- polyanions which are linked by hydrogen bonds and Na⁺ ions. The centrosymmetric [V₁₀O₂₈]^6- polyanion consists of ten distorted VO₆ edge-sharing octahedra.