Tetraphenylphosphonium Hexatungstate(VI) Acetonitrile Solvate

Crystals of the title compound, (C₂₄H₂₀P)₂[W₆O₁₉].2CD₃CN, are composed of [W₆O₁₉]^2- anions lying on inversion centres and Ph₄P⁺ cations and acetonitrile molecules of solvation in general positions. In the anion, each W is bonded to a central O, which lies on an inversion center, a terminal O and four bridging O atoms, with average W-O distances of 2.323 (4), 1.714 (13) and 1.917 (15) Å, respectively.

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