Li Gong-Chun, Wang Hong-Sheng, Zhu Feng-Xiang, Niu Yu-Jiao
College of Chemistry and Chemical Engineering, Xuchang University, Xuchang, Henan Province 461000, People's Republic of China.
Acta Crystallogr Sect E Struct Rep Online. 2011 Jul 1;67(Pt 7):o1608. doi: 10.1107/S160053681102054X. Epub 2011 Jun 11.
In the crystal structure of the title mol-ecule, C(26)H(32)N(2)O(2), the six methyl groups are disordered over two positions, with site-occupancy ratios of 0.665 (8):0.335 (8) and 0.639 (8):0.361 (8). The central pyrimidine ring is almost planar with an r.m.s. deviation of 0.009 Å. The dihedral angles formed by the two benzene rings with the pyrimidine ring are 70.70 (8) and 88.02 (9)°. The dihedral angle between two benzene rings is 46.67 (10)°.
在标题分子C(26)H(32)N(2)O(2)的晶体结构中,六个甲基在两个位置上无序排列,占有率分别为0.665 (8):0.335 (8)和0.639 (8):0.361 (8)。中心嘧啶环几乎呈平面状,均方根偏差为0.009 Å。两个苯环与嘧啶环形成的二面角分别为70.70 (8)°和88.02 (9)°。两个苯环之间的二面角为46.67 (10)°。