中国物理B ›› 2002, Vol. 11 ›› Issue (10): 1018-1021.doi: 10.1088/1009-1963/11/10/309

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The formation mechanism and the binding energy of the body-centred regular tetrahedral structure of He+5

张建平1, 李萍2, 熊勇2, 芶清泉2   

  1. (1)Department of Physics, Leshan Teachers College, Leshan 614000, China; (2)Institute of Atomic and Molecular Physics, Sichuan University, Chengdu 610065, China
  • 收稿日期:2001-11-23 修回日期:2002-04-28 出版日期:2002-10-12 发布日期:2005-06-12
  • 基金资助:
    Project supported by the National Natural Science Foundation of China (Grant No 19974027).

The formation mechanism and the binding energy of the body-centred regular tetrahedral structure of He+5

Li Ping (李萍)a, Xiong Yong (熊勇)a, Gou Qing-Quan (芶清泉)a, Zhang Jian-Ping (张建平)b    

  1. a Institute of Atomic and Molecular Physics, Sichuan University, Chengdu 610065, China; b Department of Physics, Leshan Teachers College, Leshan 614000, China
  • Received:2001-11-23 Revised:2002-04-28 Online:2002-10-12 Published:2005-06-12
  • Supported by:
    Project supported by the National Natural Science Foundation of China (Grant No 19974027).

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摘要： We propose the formation mechanism of the body-centred regular tetrahedral structure of the He+5 cluster. The total energy curve for this structure has been calculated by using a modified arrangement channel quantum mechanics method. The result shows that a minimal energy of -13.9106 a.u. occurs at a separation of 1.14a0 between the nucleus at the centre and nuclei at the apexes. Therefore we obtain the binding energy of 0.5202 a.u. for this structure. This means that the He+5 cluster may be stable with a high binding energy in a body-centred regular tetrahedral structure.

Abstract: We propose the formation mechanism of the body-centred regular tetrahedral structure of the He+5 cluster. The total energy curve for this structure has been calculated by using a modified arrangement channel quantum mechanics method. The result shows that a minimal energy of -13.9106 a.u. occurs at a separation of 1.14a0 between the nucleus at the centre and nuclei at the apexes. Therefore we obtain the binding energy of 0.5202 a.u. for this structure. This means that the He+5 cluster may be stable with a high binding energy in a body-centred regular tetrahedral structure.

Key words: He+5 cluster, formation mechanism, binding energy

中图分类号:  (Charged clusters)

  • 36.40.Wa
36.40.Mr (Spectroscopy and geometrical structure of clusters) 33.15.Ry (Ionization potentials, electron affinities, molecular core binding energy) 31.15.-p (Calculations and mathematical techniques in atomic and molecular physics)