物理化学学报 >> 2000, Vol. 16 >> Issue (11): 987-991.doi: 10.3866/PKU.WHXB20001106

研究论文 上一篇    下一篇

PuOn+的势能函数的稳定性

李权, 刘晓亚, 高涛, 朱正和, 傅依备, 汪小琳, 孙颖   

  1. 四川大学院与分子物理所 成都 610065|四川师范大学化学系 成都 610066|西南核物理与化学研究所 成都 610003
  • 收稿日期:2000-02-22 修回日期:2000-05-15 发布日期:2000-11-15
  • 通讯作者: 李权

Potentional Energy Function and Stability of PuOn+

Li Quan, Liu Xiao-Ya, Gao Tao, Zhu Zheng-He, Fu Yi-Bei, Wang Xiao-Lin, Sun Ying   

  1. Institute of Atomic and Molecular Physics,Sichuan University,Chengdu 610065|Department of Chemistry,Sichuan Normal University,Chengdu 610066|Southwestern Institute of Nuclear Physics and Chemistry,Chengdu 610003
  • Received:2000-02-22 Revised:2000-05-15 Published:2000-11-15
  • Contact: Li Quan

摘要:

用密度泛函B3LYP方法对PuOn+(n=1,2,3)分子离子进行了理论研究,结果表明,PuO+\PuO2+分子离子能稳定存在,电子状态是Χ6Σ-(PuO+)、Χ5Σ-(PuO2+)、9Σ-(PuO2+)、7Σ-(PuO2+).导出了相应的几何性质、力学性质和光谱数据,PuO3+分子离子不能稳定存在。

关键词: PuOn+, 分子离子, 势能函数, 稳定性, 密度泛函理论(DFT)

Abstract:

Theoretical study on PuOn+(n=1,2,3) using density function theory shows that PuO+ and PuO2+ are stable and PuO3+ unstable.Electronic states are Χ6Σ-(PuO+)、Χ5Σ-(PuO2+)、9Σ-(PuO2+) and 7Σ-(PuO2+),and their force constants and spectroscopin data have been obtained.

Key words: PuOn+, Molecular ions, Potentional energy function, Stability, Density function theory(DFT)