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Crystal Structure of bis-(propane-1,3-di-ammonium) Hexa-Fluorido-Aluminate Fluoride Trihydrate

Crystal Structure of bis-(propane-1,3-di-ammonium) Hexa-Fluorido-Aluminate Fluoride Trihydrate

I Abdi, K A Al-Sadhan, A Ben Ali

Acta Crystallogr Sect E Struct Rep Online. 2014 Aug 30;70(Pt 9):m335-6.

PMID: 25309188

Abstract:

The title compound, (C3H10N2)2[AlF6]F·3H2O, was obtained using the solvothermal method with aluminium hydroxide, HF and propane-1,3-di-amine as precursors in ethanol as solvent. The structure consists of isolated [AlF6](3-) octa-hedra, diprotonated propane-1,3-di-amine cations [(H2dap)(2+)], free fluoride ions and water mol-ecules of solvation. The Al-F bond lengths in the octa-hedral [AlF6](3-) anions range from 1.7690 (19) to 1.8130 (19) Å, with an average value of 1.794 Å. Each [AlF6](3-) anion is surrounded by three water mol-ecules and by six diprotonated amine cations. The 'free' fluoride ion is hydrogen bonded to four H atoms belonging to four dications and has a distorted tetra-hedral geometry. The three water mol-ecules are connected by hydrogen bonds, forming trimers that connect the AlF6 octa-hedra and dications into a three-dimensional framework.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AS24332	Crystal Violet-d6 trihydrate			Price

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