Density Functional Theory Investigation on the Reaction Mechanisms of Ti (3F) with CH2Cl2 and CHCl3 to CH2=TiCl2 and HC÷TiCl3

CHENG Xue-Li

Citation:  CHENG Xue-Li. Density Functional Theory Investigation on the Reaction Mechanisms of Ti (3F) with CH2Cl2 and CHCl3 to CH2=TiCl2 and HC÷TiCl3[J]. Chinese Journal of Structural Chemistry, 2016, 35(2): 193-198. doi: 10.14102/j.cnki.0254-5861.2011-0862 shu

Density Functional Theory Investigation on the Reaction Mechanisms of Ti (3F) with CH2Cl2 and CHCl3 to CH2=TiCl2 and HC÷TiCl3

    通讯作者: CHENG Xue-Li,
  • 基金项目:

    This work was financially supported by the National Natural Science Foundation of China (11174215) (11174215)

    ong Province (ZR2012BL10)  (ZR2012BL10)

    ong Province (No. J13LD05) (No. J13LD05)

摘要: The reaction mechanisms of Ti (3F) + CH2Cl2 → CH2=TiCl2 and Ti (3F) + CHCl3 → HC÷TiCl3 were investigated with Gaussian 03 program package at the B3PW91/6-311++G(d,p) level. The computational results revealed that: 1) Both reaction systems are initiated by Ti (3F) atom attacking the C atom of CH2Cl2 and CHCl3 to activate a C-Cl bond; 2) Both reaction systems were carried out via triplet reaction channels; 3) CH2=TiCl2 has singlet and triplet isomers, and the singlet one is more stable; 4) The HOMO of CH2=TiCl2(S) illustrates a π-bonding interaction between C and Ti; 5) Only singlet HC÷TiCl3 was located, and the Mülliken atomic spin densities show that the two single electrons are mostly on the C atom.

English

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  • 收稿日期:  2015-06-23
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