International Union of Crystallography, Acta Crystallographica Section E: Structure Reports Online, 5(62), p. o1954-o1956, 2006
DOI: 10.1107/s1600536806014012
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The crystal structure of the title compound, C4H14N2 2+·2I−, exhibits ionic layers separated by hydrocarbon layers. The hydrocarbon layers stack in a herring-bone fashion and hydrogen bond to the iodide ions. The cation sits on a centre of inversion. The structure is compared with that of the related material butane-1,4-diammonium dichloride.