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首页> 外文期刊>Acta Crystallographica Section E: Crystallographic Communications >Zwitterionic 1-{(1E)-[(4-hy­droxy­phen­yl)iminio]meth­yl}naphthalen-2-olate: crystal structure and Hirshfeld surface analysis
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Zwitterionic 1-{(1E)-[(4-hy­droxy­phen­yl)iminio]meth­yl}naphthalen-2-olate: crystal structure and Hirshfeld surface analysis

机译:两性离子1-{((1E)-[(4-羟基苯基)亚氨基]甲基}萘-2-油酸酯:晶体结构和Hirshfeld表面分析

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摘要

The title zwitterion, C17H13NO2 (systematic name: 1-{(1E)-[(4-hy­droxy­phen­yl)iminium­yl]meth­yl}naphthalen-2-olate), features an intra­molecular charge-assisted N+—H⋯O− hydrogen bond. A twist in the mol­ecule is evident around the N—C(hy­droxy­benzene) bond [C—N—C—C torsion angle = 39.42 (8)°] and is reflected in the dihedral angle of 39.42 (8)° formed between the aromatic regions of the mol­ecule. In the crystal, zigzag supra­molecular chains along the a axis are formed by charge-assisted hy­droxy-O—H⋯O(phenoxide) hydrogen bonding. These are connected into a layer in the ab plane by charge-assisted hy­droxy­benzene-C—H⋯O(phenoxide) inter­actions and π–π contacts [inter-centroid distance between naphthyl-C6 rings = 3.4905 (12) Å]. Layers stack along the c axis with no specific inter­actions between them. The Hirshfeld surface analysis points to the significance C⋯H contacts between layers.
机译:标题为两性离子的C17H13NO2(系统名称:1-{(1E)-[((4-羟基苯基)亚胺基]甲基}萘-2-油酸酯)具有分子内电荷辅助的N + -H⋯O-氢键。分子在NC-(羟基苯)键周围出现扭曲[NC-CC扭转角= 39.42(8)°],并反映在芳族化合物之间形成的二面角39.42(8)°分子区域。在晶体中,沿着a轴的锯齿形超分子链是通过电荷辅助的羟基-OH-H = O(酚盐)氢键形成的。它们通过电荷辅助羟基苯-CCH(O)相互作用和π-π接触[萘基-C6环之间的质心间距离= 3.4905(12)]连接到ab平面中的一层。层沿c轴堆叠,层之间没有特定的相互作用。 Hirshfeld表面分析指出了层之间C⋯H接触的重要性。

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