1,4-双（3-甲基苯基）哌嗪-2,5-二酮
1,4-Bis(3-methyl-phen-yl)piperazine-2,5-dione.
作者信息
Liu Yongjun, Sun Xuefeng, Wen Yonghong
机构信息
College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao 266042, People's Republic of China.
出版信息
Acta Crystallogr Sect E Struct Rep Online. 2012 Jul 1;68(Pt 7):o2115. doi: 10.1107/S1600536812026372. Epub 2012 Jun 16.
The asymmetric unit of the title compound, C(18)H(18)N(2)O(2), consists of two independent mol-ecules, each of which is located about a center of inversion. The mol-ecules are not planar, showing dihedral angles of 55.84 (9) and 54.10 (8)° between the piperazinedione and the aromatic rings. The piperazine N atoms exhibit a planar configuration. The crystal packing is stabilized by inter-molecular C-H⋯O hydrogen bonds.
标题化合物C(18)H(18)N(2)O(2)的不对称单元由两个独立的分子组成，每个分子都位于一个对称中心周围。这些分子不是平面的，哌嗪二酮与芳环之间的二面角分别为55.84 (9)°和54.10 (8)°。哌嗪的N原子呈现平面构型。晶体堆积通过分子间C-H⋯O氢键得以稳定。
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