Tetrakis(tetramethylammonium) Dihydrogendecavanadate Acetic Acid 2.8-Hydrate, [N(CH₃)₄]₄[H₂V₁₀O₂₈].CH₃COOH.2.8H₂O

The title compound was synthesized and found to crystallize in the triclinic space group P. The decavanadate cluster with two H atoms, [H₂V₁₀O₂₈]^4-, forms layers by hydrogen bonding with acetic acid and water of crystallization. The tetramethylammonium cations fill space between the layers.

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