Acta Cryst. (2014). E70, o45-o46 [ doi:10.1107/S1600536813033242 ]
Abstract: The title compound, C25H24N4O2, adopts a cisoid configuration and has twofold orientational disorder of the 2-hydroxyethyl group. The molecule is twisted from planarity so that the dihedral angle between the terminating indol-2-ylidene and the furan-2-ylidene moiety mean planes is 12.75 (7)°. Conformational disorder occurs at the indol-2-ylidene N atom, which results in two orientations for the hydroxyethyl group [occupancy ratio = 0.896 (2):0.104 (2)], and the hydroxy O atom of the 2-hydroxyethyl group is located over three sites [occupancy ratio = 0.548 (2):0.348 (2):0.104 (2)]. An intramolecular C-HO hydrogen bond involving the lowest occupancy hydroxy O atom is observed. In the crystal, the molecules pack in parallel dimeric sheets about centres of symmetry, utilizing O-HN(cyano), C-HN(cyano) and O-HO hydrogen bonds, in two sets parallel to (02-1) and (021) planes.
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