Ge Xiao-Lin, Guan Qiu-Xiang, Deng Sheng-Song, Ruan Ban-Feng
School of Medical Engineering, Hefei University of Technology, Hefei 230009, People's Repulic of China.
Acta Crystallogr Sect E Struct Rep Online. 2013 Apr 5;69(Pt 5):o629. doi: 10.1107/S1600536813007964. Print 2013 May 1.
There are two conformationally similar mol-ecules in the asymmetric unit of he title compound, C18H18O4, in which the dihedral angles between the benzene rings are 23.54 (12) and 31.11 (12)°. In the crystal, C-H⋯π inter-actions (minimum H⋯ring centroid distance = 2.66 Å) link the mol-ecules into a layered structure extending down a.
标题化合物C₁₈H₁₈O₄的不对称单元中有两个构象相似的分子，其中苯环之间的二面角分别为23.54 (12)°和31.11 (12)°。在晶体中，C—H⋯π相互作用（H⋯环心的最小距离 = 2.66 Å）将分子连接成沿a轴方向延伸的层状结构。
