Frontiers of Physics in China

, Volume 3, Issue 4, pp 382–413 | Cite as

Accurate vibrational energy spectra and dissociation energies of some diatomic electronic states

  • Wei-guo SunEmail author
  • Xiu-ying LiuEmail author
  • Yu-jie Wang
  • Yan Zhan
  • Qun-chao Fan
Review Article


An algebraic method (AM) used to study the full vibrational spectra of diatomic systems, and an analytical formula used to calculate accurate molecular dissociation energies are applied to study the full vibrational spectra and molecular dissociation energies of some electronic states of homonuclear and heteronuclear diatomic molecules and diatomic ions. Studies show that the AM method and the analytical expression are reliable and economical physical methods for studying full vibrational spectra and molecular dissociation energies of diatomic electronic systems theoretically. They are particularly useful for those diatomic systems whose high-lying vibrational energies may not be available.


diatomic molecules molecular ions vibrational spectrum dissociation energy algebraic method 

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Copyright information

© Higher Education Press and Springer-Verlag GmbH 2008

Authors and Affiliations

  1. 1.Institute of Atomic and Molecular PhysicsSichuan UniversityChengduChina

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