C-H•••F, C-H•••O interactions in the crystal structure of 2-(2-nitrophenyl)-3-pentafluorophenyl-oxirane and 2-pentafluorophenyl-3-phenyl-1-(p-tosyl)-aziridine

被引：1

作者：

Zhang, Xiu-Lian ^{[1
]}

Yin, Wei ^{[1
]}

Zhu, Shi-fa ^{[2
]}

Cao, Man Li ^{[1
]}

Zhu, Shi-Zheng ^{[2
]}

机构：

[1] Guangdong Univ Educ, Dept Chem, Guangzhou 510310, Guangdong, Peoples R China

[2] Chinese Acad Sci, Shanghai Inst Organ Chem, Key Lab Organofluorine Chem, Shanghai 200032, Peoples R China

来源：

JOURNAL OF MOLECULAR STRUCTURE | 2012年 / 1007卷

基金：

中国国家自然科学基金;

关键词：

Self-assembly; Hydrogen bonding; Oxirane and aziridine derivatives; HYDROGEN-BONDS; WATER CHAINS; FLUORINE; COMPLEXES; INTERPLAY; MELAMINE;

D O I：

10.1016/j.molstruc.2011.10.055

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Existence and nature of C-H center dot center dot center dot F, C-H center dot center dot center dot O interactions in 2-(2-nitrophenyl)-3-pentafluorophenyl-oxirane (1) and 2-pentafluorophenyl-3-phenyl-1-(p-tosyl)-aziridine (2) are discussed. In compound 1 with a linear molecule, C-H center dot center dot center dot F, C-H center dot center dot center dot O hydrogen bonds assemble adjacent molecules into the two-dimensional layers, F center dot center dot center dot F, O center dot center dot center dot F interactions connect adjacent layers into three-dimensional supramolecular networks. Owing to the inductive effect of nitro group, the C-H acidity of nitrophenyl increases and the numbers of C-H center dot center dot center dot F, C-H center dot center dot center dot O hydrogen bonds also increase, C-H center dot center dot center dot F, C-H center dot center dot center dot O interactions become stronger and more important. 1D ribbons of compound 2 are stabilized by C-H center dot center dot center dot F, C-H center dot center dot center dot O intermolecular interactions. Nonplanar tritopic molecule would demand the formation of a pi center dot center dot center dot pi packing interactions between benzene rings and pentafluorobenzene rings in 2. (C) 2011 Published by Elsevier B.V.

引用

页码：252 / 256

页数：5

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