期刊
CHEMICAL PHYSICS LETTERS
卷 469, 期 1-3, 页码 48-51出版社
ELSEVIER
DOI: 10.1016/j.cplett.2008.12.068
关键词
-
资金
- Yantai University, China [HY06B22, HY07Z17]
An unconventional halogen bond has been proved to exist in H2C-BrH complex. The halogen bond energy of H2C-BrH complex is calculated at four levels of theory [MP2, MP4, CCSD, and CCSD(T)]. The result shows that the carbene is a better electron donor. The substitution effect is prominent in this interaction. For example, the interaction energy in H2C-BrCN complex is increased by more than 300% relative to H2C-BrH complex. The analyses of NBO, AIM, and energy components were used to unveil the nature of the interaction. The results show that this novel halogen bond has similar characteristics to hydrogen bonds. (C) 2008 Elsevier B. V. All rights reserved.
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