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Acta Cryst. (2009). E65, o2625  [ doi:10.1107/S1600536809039038 ]

Ethylenediammonium dichloroiodide chloride

L.-Z. Chen

Abstract: The asymmetric unit of the crystal structure of the title compound, C2H10N22+·Cl2I-·Cl-, contains two ethylenediammonium cations, two [ICl2]- anions and two Cl- anions, of which one cation, one [ICl2]- anion and one Cl- anion have site symmetry 2, with the mid-point of the C-C bond of the cation, the I atom of [ICl2]- anion and the Cl- anion located on the twofold rotation axes. The two independent cations show different conformations, the N-C-C-N torsion angles being 160.1 (2) and -73.1 (4)°. The crystal structure is stabilized by extensive intermolecular N-H...Cl hydrogen bonding.

Online 3 October 2009


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