Lv Lu-Ping, Yu Wen-Bo, Lu Zhong-Hao, Li Wei-Wei, Hu Xian-Chao
Acta Crystallogr Sect E Struct Rep Online. 2009 Apr 22;65(Pt 5):o1085. doi: 10.1107/S1600536809014172.
The title compound, C(10)H(12)N(2)O(3), crystallizes with two independent mol-ecules in the asymmetric unit. The side chains in the two independent mol-ecules have slightly different orientations, with the C=N-N-C torsion angle being 169.19 (14)° in one of the mol-ecules and -179.86 (14)° in the other. Each independent mol-ecule adopts a trans configuration with respect to the C=N bond. In the crystal structure, mol-ecules are linked into chains running along [001] by N-H⋯O, N-H⋯N and C-H⋯O hydrogen bonds. In addition, an inter-molecular C-H⋯π inter-action is observed.
标题化合物C(10)H(12)N(2)O(3)在不对称单元中以两个独立分子结晶。两个独立分子中的侧链取向略有不同,其中一个分子中C=N-N-C扭转角为169.19 (14)°,另一个分子中为-179.86 (14)°。每个独立分子相对于C=N键采取反式构型。在晶体结构中,分子通过N-H⋯O、N-H⋯N和C-H⋯O氢键连接成沿[001]方向的链。此外,还观察到分子间的C-H⋯π相互作用。