Acta Cryst. (2004). E60, o28-o30  [ doi:10.1107/S1600536803027168 ]

1,3-Diethylbenzimidazolium iodide

R. T. Stibrany, H. J. Schugar and J. A. Potenza

Abstract: The title salt, C₁₁H₁₅N₂⁺·I^-, crystallizes with two formula units in the asymmetric unit. The two crystallographically unique cations form alternating columns along the a axis, linked by protruding ethyl groups and interspersed with iodide counter-ions. Cations in a given column stack in centrosymmetrically related pairs with interionic CC and CN distances consistent with substantial - bonding. One of the iodide ions appears to form a weak hydrogen bond with the most acidic proton in one of the cations.

Online 6 December 2003

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