Acta Cryst. (2012). E68, m1520
[ doi:10.1107/S1600536812046892 ]

Bis(butane-1,4-diammonium) di--oxido-bis[trifluoridooxidomolybdate(V)] monohydrate

J. Lhoste, A. Hemon-Ribaud, V. Maisonneuve, S. Jobic and M. Bujoli-Doeuff

Abstract: The title compound, (C₄H₁₄N₂)₂[Mo₂O₄F₆]·H₂O, was obtained by solvothermal reaction at 443 K for 72 h from a mixture of MoO₃, HF, 1,4-diaminobutane (dab), water and ethylene glycol. The structure consists of [Mo₂O₄F₆]^4- anionic dimers containing strongly distorted MoO₃F₃ octahedra (with twofold symmetry), diprotonated dab cations and water molecules (twofold symmetry) in the ratio 1:2:1. The cohesion of the three-dimensional structure is ensured through N-HO, N-HF and O-HF interactions.

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