Akkurt Mehmet, Mohamed Shaaban K, Kennedy Alan R, Abdelhamid Antar A, Miller Gary J, Albayati Mustafa R
Department of Physics, Faculty of Sciences, Erciyes University, 38039 Kayseri, Turkey.
Acta Crystallogr Sect E Struct Rep Online. 2013 Sep 18;69(Pt 10):o1558-9. doi: 10.1107/S1600536813025324. eCollection 2013.
In the xanthenone system of the title compound, C23H20O4, the pyran ring has a maximum deviation of 0.111 (1) Å from planarity and the outer cyclo-hexene ring exhibits a puckered conformation. The three methyl-ene C atoms of the cyclo-hexene ring bonded to the pyran unit are disordered over two sets of sites [occupancies = 0.570 (3) and 0.430 (3)]. In the crystal, mol-ecules are linked by C-H⋯O and O-H⋯O hydrogen bonds, forming a two-dimensional network parallel to (110). A C-H⋯π inter-action occurs between these networks.
在标题化合物C23H20O4的呫吨酮体系中，吡喃环与平面的最大偏差为0.111 (1) Å，外部的环己烯环呈现出褶皱构象。与吡喃单元相连的环己烯环的三个亚甲基C原子在两组位置上无序分布[占有率 = 0.570 (3) 和0.430 (3)]。在晶体中，分子通过C—H⋯O和O—H⋯O氢键相连，形成平行于(110)的二维网络。这些网络之间存在C—H⋯π相互作用。
