Acta Crystallographica Section E

Volume 68, Part 3 (March 2012)

organic compounds

hb6611 scheme

Acta Cryst. (2012). E68, o573 [ doi:10.1107/S1600536812002802 ]

3,3'-[1,2-Phenylenebis(methylene)]bis(1-ethylbenzimidazolium) dibromide

R. A. Haque, M. A. Iqbal, S. Budagumpi, M. Hemamalini and H.-K. Fun

Abstract: In the title molecular salt, C₂₆H₂₈N₄²⁺·2Br^-, the central benzene ring makes dihedral angles of 76.75 (11) and 82.40 (10)° with the pendant benzimidazole rings. The corresponding angle between the benzimidazole rings is 57.03 (9)°. In the crystal, the cations and anions are linked via C-HBr hydrogen bonds, forming sheets lying parallel to the bc plane. The crystal structure also features weak C-H [pi] interactions.


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