1,2-双(4-溴苯基)-1H-苯并咪唑和2-(4-溴苯基)-1-(4-硝基苯基)-1H-苯并咪唑的C-H...N和π堆积二聚体的晶体网络中的π堆积和C-X...D（X = H，NO₂；D = O，π）相互作用
π-stacking and C-X...D (X = H, NO2; D = O, π) interactions in the crystal network of both C-H...N and π-stacked dimers of 1,2-bis(4-bromophenyl)-1H-benzimidazole and 2-(4-bromophenyl)-1-(4-nitrophenyl)-1H-benzimidazole.
作者信息
González-Padilla Jazmin E, Rosales-Hernández Martha C, Padilla-Martínez Itzia I, García-Báez Efren V, Rojas-Lima Susana, Salazar-Pereda Veronica
机构信息
Laboratorio de Biofisica y Biocatálisis, Sección de Estudios de Posgrado e Investigación, Escuela Superior de Medicina, Instituto Politécnico Nacional, Plan de San Luis y Díaz Mirón s/n, Casco de Santo Tomás, México DF 11340, Mexico.
Laboratorio de Investigación en Química, Departamento de Ciencias Básicas, Unidad Profesional Interdisciplinaria de Biotecnología, Instituto Politécnico Nacional, Avenida Acueducto s/n, Barrio La Laguna Ticomán, México DF 07340, Mexico.
出版信息
Acta Crystallogr C Struct Chem. 2014 Jan;70(Pt 1):55-9. doi: 10.1107/S2053229613033329. Epub 2013 Dec 21.
Molecules of 1,2-bis(4-bromophenyl)-1H-benzimidazole, C19H12Br2N2, (I), and 2-(4-bromophenyl)-1-(4-nitrophenyl)-1H-benzimidazole, C19H12BrN3O2, (II), are arranged in dimeric units through C-H...N and parallel-displaced π-stacking interactions favoured by the appropriate disposition of N- and C-bonded phenyl rings with respect to the mean benzimidazole plane. The molecular packing of the dimers of (I) and (II) arises by the concurrence of a diverse set of weak intermolecular C-X...D (X = H, NO2; D = O, π) interactions.
1,2 - 双（4 - 溴苯基）-1H - 苯并咪唑（C₁₉H₁₂Br₂N₂），（I）和2 - （4 - 溴苯基）-1 - （4 - 硝基苯基）-1H - 苯并咪唑（C₁₉H₁₂BrN₃O₂），（II）的分子通过C - H...N以及平行位移的π - 堆积相互作用排列成二聚体单元，N键合和C键合的苯环相对于平均苯并咪唑平面的适当排列有利于这些相互作用。（I）和（II）的二聚体的分子堆积是由多种弱分子间C - X...D（X = H，NO₂；D = O，π）相互作用共同作用产生的。
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