4,4'-二甲基-2,2'-[咪唑烷-1,3-二基双(亚甲基)]二苯酚
4,4'-Dimethyl-2,2'-[imidazolidine-1,3-diylbis(methyl-ene)]diphenol.
作者信息
Rivera Augusto, Nerio Luz Stella, Ríos-Motta Jaime, Kučeraková Monika, Dušek Michal
机构信息
Universidad Nacional de Colombia, Sede Bogotá, Facultad de Ciencias, Departamento de Química, Cra 30 No.45-03, Bogotá, Código Postal 111321, Colombia.
出版信息
Acta Crystallogr Sect E Struct Rep Online. 2012 Nov 1;68(Pt 11):o3172. doi: 10.1107/S1600536812042808. Epub 2012 Oct 20.
Abstract
The imidazolidine ring in the title compound, C(19)H(24)N(2)O(2), adopts a twist conformation and its mean plane (r.m.s. deviation = 0.19 Å) makes dihedral angles of 72.38 (9) and 71.64 (9)° with the two pendant aromatic rings. The dihedral angle between the phenyl rings is 55.94 (8)°. The mol-ecular structure shows the presence of two intra-molecular O-H⋯N hydrogen bonds between the phenolic hydroxyl groups and N atoms with graph-set motif S(6). In the crystal, C-H⋯O hydrogen bonds lead to the formation of chains along the b-axis direction.
摘要
标题化合物C(19)H(24)N(2)O(2)中的咪唑烷环呈扭曲构象，其平均平面（均方根偏差 = 0.19 Å）与两个悬挂的芳香环形成的二面角分别为72.38 (9)°和71.64 (9)°。苯环之间的二面角为55.94 (8)°。分子结构显示在酚羟基和N原子之间存在两个分子内O-H⋯N氢键，具有S(6)图形集模式。在晶体中，C-H⋯O氢键导致沿b轴方向形成链状结构。
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