1H-吡咯-2-羧酸
1H-Pyrrole-2-carboxylic acid.
作者信息
Tang Gui Hong, Li Dong Dong, Huang Gang, Xu Xing Yan, Zeng Xiang Chao
机构信息
Department of Chemistry, Jinan University, Guangzhou, Guangdong 510632, People's Republic of China.
出版信息
Acta Crystallogr Sect E Struct Rep Online. 2009 Apr 25;65(Pt 5):o1121. doi: 10.1107/S1600536809014044.
Abstract
In the title compound, C(5)H(5)NO(2), the pyrrole ring and its carboxyl substituent are close to coplanar, with a dihedral angle of 11.7 (3)° between the planes. In the crystal structure, adjacent mol-ecules are linked by pairs of O-H⋯O hydrogen bonds to form inversion dimers. Additional N-H⋯O hydrogen bonds link these dimers into chains extending along the a axis.
摘要
在标题化合物C₅H₅NO₂中，吡咯环及其羧基取代基接近共平面，平面之间的二面角为11.7（3）°。在晶体结构中，相邻分子通过O—H⋯O氢键对相连形成反演二聚体。额外的N—H⋯O氢键将这些二聚体连接成沿a轴延伸的链。
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