Acta Cryst. (2009). E65, o660-o661  [ doi:10.1107/S1600536809006989 ]

4-[1-(4-Cyanobenzyl)-1H-benzimidazol-2-yl]benzonitrile

R. Kia, H.-K. Fun and H. Kargar

Abstract: In the title compound, C₂₂H₁₄N₄, a new substituted benzimidazole, three intermolecular C-HN interactions link neighbouring molecules into different dimers with R₂²(12), R₂²(8) and R₂²(24) ring motifs. A fourth C-HN interaction links neighbouring molecules along the c axis. There is also a short intermolecular contact between the azomethine (C=N) segment of the benzimidazole ring and one of the C atoms of a neighbouring benzene ring [NC = 3.191 (5), CC = 3.364 (6) Å], which links the molecules along the a axis. The two cyanobenzene rings are almost perpendicular to each other, with an interplanar angle of 87.70 (7)°. The dihedral angles between the mean planes of the benzimidazole ring and the two outer benzene rings are 36.27 (16) and 86.70 (16)°. In the crystal structure, molecules are stacked down the a axis with centroid-centroid distances of 3.906 (2)-3.912 (2) Å and interplanar distances of 3.5040 (17) and 3.6235 (17) Å.

Online 6 March 2009

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