Abstract
The benzimidazolone part of the title molecule, C17H25N3O3, is almost planar (r.m.s. deviation = 0.016 Å) and its mean plane is aligned at 7.9 (4) ° with respect to the mean plane of the nitro substituent. In the crystal, two molecules are disposed about a center of inversion, generating a N—H⋯O hydrogen-bonded cyclic dimer with a R 2 2(8) graph-set motif.
Highlights
The benzimidazolone part of the title molecule, C17H25N3O3, is almost planar (r.m.s. deviation = 0.016 A ) and its mean plane is aligned at 7.9 (4) with respect to the mean plane of the nitro substituent
Two molecules are disposed about a center of inversion, generating a N— HÁ Á ÁO hydrogen-bonded cyclic dimer with a R22(8) graph-set motif
Supplementary data and figures for this paper are available from the IUCr electronic archives (Reference: ZS2093)
Summary
Kandri Rodi,a Sonia Ladeira,b El Mokhtar Essassic and Seik Weng Ngd*. Key indicators: single-crystal X-ray study; T = 293 K; mean (C–C) = 0.004 A; R factor = 0.055; wR factor = 0.175; data-to-parameter ratio = 14.2. The benzimidazolone part of the title molecule, C17H25N3O3, is almost planar (r.m.s. deviation = 0.016 A ) and its mean plane is aligned at 7.9 (4) with respect to the mean plane of the nitro substituent. Two molecules are disposed about a center of inversion, generating a N— HÁ Á ÁO hydrogen-bonded cyclic dimer with a R22(8) graph-set motif. Related literature For the crystal structure of 1-isopropenyl-1H-benzimidazol2(3H)-one, see: Saber et al (2010) and for 5-nitro-1-n-octyl1H-benzimidazol-2(3H)-one, see: Ouzidan et al (2011). For graph-set notation, see: Etter (1990)
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