Asiri Abdullah M, Faidallah Hassan M, Al-Youbi Abdulrahman O, Alamry Khalid A, Ng Seik Weng
Acta Crystallogr Sect E Struct Rep Online. 2011 Sep 1;67(Pt 9):o2469. doi: 10.1107/S1600536811033885. Epub 2011 Aug 27.
In the mol-ecule of the title compound, C(20)H(13)BrN(2)O, the tetra-hydro-benzo[h]quinoline fused-ring system is buckled owing to the ethyl-ene -CH(2)CH(2)- fragment, the benzene ring and the pyridine ring being twisted by 17.7 (1)°. The 4-substituted aromatic ring is bent away from the pyridine ring by 82.3 (1)° in order to avoid crowding the cyanide substituent. Two mol-ecules are linked by a pair of N-H⋯O hydrogen bonds to form a centrosymmetric dimer.
在标题化合物C₂₀H₁₃BrN₂O的分子中，由于乙烯基-CH₂CH₂-片段，四氢苯并[h]喹啉稠环体系发生扭曲，苯环和吡啶环扭转了17.7 (1)°。4-取代的芳环为避免氰基取代基拥挤而偏离吡啶环82.3 (1)°。两个分子通过一对N-H⋯O氢键相连形成一个中心对称的二聚体。
