Chem. J. Chinese Universities

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Structures and NLO Properties of Molecular Clusters with Alkali Metal Atom

SUN Xiao-Ying, LI Zhi-Ru*, WU Di, SUN Chia-Chung, TANG Au-Chin   

  1. State Key Laboratory of Theoretical and Computational Chemistry, Institute of Theoretical Chemistry, Jilin University, Changchun 130021, China
  • Received:2006-04-26 Revised:1900-01-01 Online:2007-06-10 Published:2007-06-10
  • Contact: LI Zhi-Ru

Abstract: By using ab initio calculation, three structures with all real frequencies were obtained for the Li(HF)n(n=1—4) clusters. The dipole moments(μ), polarizabilities(α0) and the first hyperpolarizabilities(β0) of Li(HF)n(n=2—4) were investigated at MP2/6-311++G(3df,3pd) level. The large first hyperpolarizabilities(β0)(53710×10-33—113270×10-33 esu) were found. It is revealed that the contributions of Li polarized to α0 and β0 values are dominantive.

Key words: Ab initio calculation, Nonlinear optical(NLO) properties, Molecular clusters with alkali metal atom

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