Chem. J. Chinese Universities ›› 2010, Vol. 31 ›› Issue (7): 1446.

• Articles • Previous Articles     Next Articles

Density Functional Theory Study on the Chlorinated Benzenes Cations

CHENG Jian-Bo1*, LIU Huai-Cheng1, LI Wen-Zuo1*, LI Qing-Zhong1, YU Jian-Kang1,2, GONG Bao-An1, SUN Chia-Chung1,2   

  1. 1. Science and Engineering College of Chemistry and Biology, Yantai University, Yantai 264005, China;
    2. State Key Laboratory of Theoretical and Computational Chemistry, Jilin University, Changchun 130023, China
  • Received:2009-10-12 Online:2010-07-10 Published:2010-07-10
  • Contact: CHENG Jian-Bo. E-mail: jbcheng@ytu.edu.cn; LI Wen-Zuo. E-mail: liwenzuo2004@126.com
  • Supported by:

    国家自然科学基金(批准号: 20473029)、超分子结构与材料国家重点实验室(吉林大学)开放基金(批准号: SKLSSM200713, SKLSSM200909)和烟台大学博士科研基金(批准号: HY05B30, HY05B36)资助.

Abstract:

Twelve chlorinated benzenes cations were studied by the B3LYP method in conjunction with the 6-311G(d,p) and 6-311+G(d,p) basis sets. The ground-state geometries of these cations were predicted and the vertical ionization potentials(VIPs) and adiabatic ionization potentials(AIPs) of the corresponding molecules were calculated. The 1,3,5-C6H3F3+ and C6F6+ ions are the Jahn-Teller active species, and they are predicted to have C2v and D2h structures, in contrast with the D3h and D6h structures of their parent molecules, respectively. Though other ten cations have same symmetry with their respective parent molecules, the geometric parameters of cations are different with the molecules. The B3LYP calculations predict vertical and adiaba-tic ionization potential values of the chlorinated benzene molecules in good agreement with the available experimental values.

Key words: Chlorinated benzenes cation; Geometry; Ionization potential; B3LYP method

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