6,6'-二甲氧基-3,3',5,5'-四甲基联苯-2,2'-二甲醇
6,6'-Dimethoxy-3,3',5,5'-tetramethylbiphenyl-2,2'-dimethanol.
作者信息
Dobson A J, Gerkin R E
机构信息
Department of Chemistry, Ohio State University, Columbus 43210, USA.
出版信息
Acta Crystallogr C. 1999 Jan 15;55 ( Pt 1):82-4. doi: 10.1107/s0108270198009779.
PMID:10048181
Abstract
The title compound, C20H26O4, crystallized in the centrosymmetric space group P21/c with a single molecule as the asymmetric unit. The two hydroxyl-H atoms are ordered and are involved in hydrogen bonds whose OD...OA distances are 2.807 (2) and 2.805 (2) A; one of these bonds is intramolecular. The intramolecular dihedral angle between the ring planes (twist angle) is 87.3 (1) degree.
摘要
标题化合物C20H26O4以单分子作为不对称单元，结晶于中心对称空间群P21/c中。两个羟基氢原子有序排列，并参与形成氢键，其OD...OA距离分别为2.807(2) Å和2.805(2) Å；其中一个氢键是分子内的。环平面之间的分子内二面角（扭转角）为87.3(1)度。
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