Abstract
In the title compound, C19H30N2O, the fused ring system is essentially planar, the maximum deviation from the mean plane being 0.013 (2) Å for the N atom bearing the dodecyl chain. The 1-dodecyl group is almost perpendicular to the 1H-benzo[d]imidazol-2(3H)-one plane as indicated by the dihedral angle of 82.9 (2)°between planes through the fused ring system and the first three C atoms of the chain. The C—C—C—C torsion angles (about ±179°) of the dodecyl group indicate an antiperiplanar conformation. In the crystal, inversion dimers are formed by pairs of N—H⋯O hydrogen bonds.
Highlights
Dounia Belaziz,a* Youssef Kandri Rodi,a Fouad Ouazzani Chahdi,a El Mokhtar Essassi,b,c Mohamed Saadid and Lahcen El Ammarid
The 1-dodecyl group is almost perpendicular to the 1Hbenzo[d]imidazol-2(3H)-one plane as indicated by the dihedral angle of 82.9 (2)between planes through the fused ring system and the first three C atoms of the chain
Inversion dimers are formed by pairs of N—HÁ Á ÁO hydrogen bonds
Summary
Key indicators: single-crystal X-ray study; T = 296 K; mean (C–C) = 0.002 A; R factor = 0.045; wR factor = 0.141; data-to-parameter ratio = 23.3. C19H30N2O, the fused ring system is essentially planar, the maximum deviation from the mean plane being 0.013 (2) Afor the N atom bearing the dodecyl chain. The 1-dodecyl group is almost perpendicular to the 1Hbenzo[d]imidazol-2(3H)-one plane as indicated by the dihedral angle of 82.9 (2)between planes through the fused ring system and the first three C atoms of the chain. The C—C— C—C torsion angles (about Æ179) of the dodecyl group indicate an antiperiplanar conformation. Inversion dimers are formed by pairs of N—HÁ Á ÁO hydrogen bonds
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