(E)-1,2-Bis(1-propyl-5,6-dimethyl-1H-benzimidazol-2-yl)ethene

(E)-1,2-Bis(1-propyl-5,6-dimethyl-1H-benzimidazol-2-yl)ethene

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In the title compound, C26H32N4, the essentially planar (r.m.s.

deviations of 0.0053 and 0.0242 Å) benzimidazole fragments are trans with respect to a central ethene fragment, and are canted Sherry Glasses in opposite directions by 2.

78 (6) and 5.87 (6)° with respect to the ethene plane, giving the molecule a propeller conformation.The terminal ethyl fragments of the pendant n-propyl groups protrude to either side of the benzimidazole planes.

Overall, the molecule exhibits a pseudo-center of symmetry at the mid-point Number Holders of the ethene fragment.Both π–π stacking and typical C—H.π interactions are notably absent, as are intermolecular hydrogen bonds.

When viewed along the a axis, the structure appears as criss-crossed layers of molecules with the planar fragments separated along the c-cell direction by the protruding ethyl groups.