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

被引：4

作者：

Gonzalez-Padilla, Jazmin E. ^{[1
]}

Rosales-Hernandez, Martha C. ^{[1
]}

Padilla-Martinez, Itzia I. ^{[2
]}

Garcia-Baez, Efren V. ^{[2
]}

Rojas-Lima, Susana ^{[3
]}

Salazar-Pereda, Veronica ^{[3
]}

机构：

[1] Inst Politecn Nacl, Escuela Super Med, Secc Estudios Posgrad & Invest, Lab Biofis & Biocatalisis, Mexico City 11340, DF, Mexico

[2] Inst Politecn Nacl, Unidad Profes Interdisciplinaria Biotecnol, Dept Ciencias Basicas, Lab Invest Quim, Mexico City 07340, DF, Mexico

[3] Univ Autonoma Estado Hidalgo, Ctr Invest Quim, Mineral De La Reforma 42184, Hidalgo, Mexico

来源：

ACTA CRYSTALLOGRAPHICA SECTION C-STRUCTURAL CHEMISTRY | 2014年 / 70卷

关键词：

crystal structure; pi-stacking; hydrogen bonding; supramolecular structures; phenylbenzimidazole; 1-PHENYLBENZIMIDAZOLES; QSAR;

D O I：

10.1107/S2053229613033329

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

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 center dot center dot center dot N and parallel-displaced pi-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 center dot center dot center dot D (X = H, NO2; D = O, pi) interactions.

引用

页码：55 / +

页数：14

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