首页> 美国卫生研究院文献>Acta Crystallographica Section E: Crystallographic Communications >1,10-Phenanthrolinium 4-chloro-2-hydroxy­benzoate–1,10-phenanthroline–4-chloro-2-hydroxy­benzoic acid (1/1/1)
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1,10-Phenanthrolinium 4-chloro-2-hydroxy­benzoate–1,10-phenanthroline–4-chloro-2-hydroxy­benzoic acid (1/1/1)

机译:1,10-菲咯啉4-氯-2-羟基­苯甲酸–1,10-菲咯啉–4-氯-2-羟基­苯甲酸(1/1/1)

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摘要

The title compound, C12H9N2 +·C7H4ClO3 ·C12H8N2·C7H5ClO3, contains one phenanthrolinium (Hphen) cation, one phenanthroline (phen) mol­ecule, one 4-chloro-2-hydroxy­benzoate anion (hcba) and one 4-chloro-2-hydroxy­benzoic acid (Hhcba) mol­ecule in the asymmetric unit. The phen mol­ecule is approximately parallel to Hphen, making a dihedral angle of 1.98 (6)°. The centroid–centroid distance between pyridine rings of adjacent phen and Hphen species is 3.7718 (15) Å, and that between the benzene and pyridine rings of adjacent phen and Hphen species is 3.7922 (16) Å, indicative of π–π stacking inter­actions. The crystal structure contains an extensive network of classical (O—H⋯O, N—H⋯N and O—H⋯Cl) and weak (C—H⋯O and C—H⋯N) hydrogen bonds. Finally, C—H⋯π inter­actions are seen between Hphen and hcba and between phen and Hhcba in the crystal structure. The hydroxy group of the anion is disordered over the two sites ortho to the carboxylate group in a 0.75:0.25 ratio.
机译:标题化合物C12H9N2 + ·C7H4ClO3 -·C12H8N2·C7H5ClO3包含一个菲咯啉(Hphen)阳离子,一个菲咯啉(phen)分子,一个4-氯-2-羟基苯甲酸根阴离子(hcba)和一个4-氯-2-羟基苯甲酸(Hhcba)分子位于不对称单元中。苯分子近似平行于Hphen,二面角为1.98°(6)°。相邻的phen和Hphen物种的吡啶环之间的质心-质心距离为3.7718(15)Å,相邻的phen和Hphen物种的苯与吡啶环之间的质心-质心距离为3.7922(16)Å,表明π-π堆积相互作用。晶体结构包含一个广泛的经典(OH-O,NH-N和OH-Cl)网络和一个弱氢键(C-H = O和CHHN)。最后,在晶体结构中,在Hphen和hcba之间以及phen和Hhcba之间可以看到C-H⋯π相互作用。阴离子的羟基在相对于羧酸根基团的两个位置上的比率为0.75:0.25。

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