Crystal structure of bis(propane-1,3-diaminium) hexafluoridoaluminate diaquatetrafluoridoaluminate tetrahydrate

Author:

Abdi Insaf,Al-Sadhan Khulood,Ben Ali Amor

Abstract

The title compound, (C3H12N2)2[AlF6][AlF4(H2O)2]·4H2O, was obtained by a solvothermal method in ethanol as solvent and with aluminium hydroxide, HF and 1,3-diaminopropane as educts. The asymmetric unit contains a quarter each of two crystallographically independent propane-1,3-diammonium dications, [AlF6]3−and [AlF4(H2O)2]anions and four water molecules. The cations, anions and three of the independent water molecules are situated on special positionsmm, while the fourth water molecule is disordered about a mirror plane. In the crystal, intermolecular N—H...F and O—H...F hydrogen bonds link the cations and anions into a three-dimensional framework with the voids filled by water molecules, which generate O—H...O hydrogen bonds and further consolidate the packing.

Publisher

International Union of Crystallography (IUCr)

Subject

Condensed Matter Physics,General Materials Science,General Chemistry

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