Li Xiao-Jun, Tong Jun-Feng, Gong Shang-Sheng, Wu Jian-Chao, Xu Li
Acta Crystallogr Sect E Struct Rep Online. 2009 Dec 24;66(Pt 1):o238. doi: 10.1107/S160053680905466X.
The complete mol-ecule of the title compound, C(22)H(28)N(2)O(4), is generated by a crystallographic inversion centre at the mid-point of the central C-C bond. The two benzene rings are parallel to each other with a perpendicular inter-planar spacing of 1.488 (2) Å. Intra-molecular O-H⋯N hydrogen bonds generate two six-membered rings with S(6) motifs. In the crystal, weak inter-molecular C-H⋯O hydrogen bonds link neighbouring mol-ecules into an infinite three-dimensional network, which is further stabilized by weak C-H⋯π inter-actions.
标题化合物C(22)H(28)N(2)O(4)的完整分子由中心C-C键中点处的晶体学倒转中心产生。两个苯环相互平行，平面间垂直间距为1.488 (2) Å。分子内O-H⋯N氢键形成两个具有S(6) motif的六元环。在晶体中，弱的分子间C-H⋯O氢键将相邻分子连接成无限的三维网络，该网络通过弱的C-H⋯π相互作用进一步稳定。
