Lhengwan Pornsuda, Achiwawanich Supakit, Duangthongyou Tanwawan
Department of Chemistry, Faculty of Science, Kasetsart University, Bangkok 10903, Thailand.
Acta Crystallogr Sect E Struct Rep Online. 2012 Aug 1;68(Pt 8):o2569. doi: 10.1107/S1600536812033181. Epub 2012 Jul 28.
The asymmetric unit of the title compound, 3C(10)H(8)N(2)·2C(7)H(7)NO(2), consists of three mol-ecules of 4,4'-bipyridine (bpy) and two mol-ecules of 3-amino-benzoic acid (bza). Two mol-ecules of bza and two mol-ecules of bpy are connected via O-H⋯N, N-H⋯N and N-H⋯O hydrogen bonds, forming forming infinite double-stranded zigzag chains along the c axis. The third mol-ecule of bpy is linked to the chain by weak C-H⋯O inter-actions. Adjacent chains are linked via π-π inter-actions [centroid-centroid distances = 3.759 (3)-3.928 (3) Å] involving the pyridine rings of bpy mol-ecules, resulting in a sheet-like structure parallel to (100). These sheets are stacked via C-H⋯π inter-actions, resulting finally in the formation of a three-dimensional supra-molecular structure.
标题化合物3C₁₀H₈N₂·2C₇H₇NO₂的不对称单元由三个4,4'-联吡啶（bpy）分子和两个3-氨基苯甲酸（bza）分子组成。两个bza分子和两个bpy分子通过O-H⋯N、N-H⋯N和N-H⋯O氢键相连，沿着c轴形成无限的双链锯齿链。第三个bpy分子通过弱C-H⋯O相互作用与链相连。相邻链通过涉及bpy分子吡啶环的π-π相互作用[质心-质心距离 = 3.759 (3)-3.928 (3) Å]相连，形成平行于(100)的片状结构。这些片层通过C-H⋯π相互作用堆叠，最终形成三维超分子结构。
