Weak energetic effects between halogen and hydrogen bonds in crystal structures of halo-perfluorobenzenes (X-PFCs) and pyrazine molecules: A computational study

被引:5
|
作者
Wang, Yanhua [1 ]
Li, Haiying [2 ]
Liu, Yingtao [3 ]
Wu, Weihong [2 ]
Lu, Yunxiang [2 ]
机构
[1] Zhejiang Shuren Univ, Coll Biol & Environm Engn, Hangzhou 310015, Zhejiang, Peoples R China
[2] E China Univ Sci & Technol, Key Lab Adv Mat, Shanghai 200237, Peoples R China
[3] Chinese Acad Sci, Shanghai Inst Mat Med, Drug Discovery & Design Ctr, Shanghai 201203, Peoples R China
基金
中国国家自然科学基金; 上海市自然科学基金;
关键词
Halogen bonds; Hydrogen bonds; X-PFCs; Energetic effects; M05-2x; DENSITY FUNCTIONALS; AROMATIC RINGS; ANION-PI; COOPERATIVITY; COMPLEXES; INTERPLAY; CL;
D O I
10.1016/j.comptc.2013.10.012
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
The interplay between halogen and hydrogen bonds in certain crystal structures of halo-perfluorobenzenes (X-PFCs) and pyrazine molecules has been investigated by means of the DFT/M05-2x method. Very weak energetic effects are observed in the studied complexes, which indicates that the two kinds of noncovalent interactions have some additive aspects. These effects have been fully examined by the geometric and energetic features of the complexes. (C) 2013 Elsevier B.V. All rights reserved.
引用
收藏
页码:1 / 6
页数:6
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