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Chinese Optics Letters

Chinese Optics Letters


  • Editor: Zhizhan Xu
  • Vol. 9, Iss. 12 — Dec. 1, 2011
  • pp: 120201–

Analytical potential energy function and spectroscopy parameters for B1Π state of KH

Jingjuan Liang, Chuanlu Yang, Lizhi Wang, and Qinggang Zhang  »View Author Affiliations

Chinese Optics Letters, Vol. 9, Issue 12, pp. 120201- (2011)

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Multi-reference configuration interaction is used to produce potential energy curves (PECs) for the excited B1Π state of KH molecule. To investigate the correlation effect of core-valence electrons, five schemes are employed which include the different correlated electrons and different active spaces. The PECs are fitted into analytical potential energy functions (APEFs). The spectroscopic parameters, ro-vibrational levels, and transition frequencies are determined based on the APEFs and compared with available experimental and theoretical data. The molecular properties for B1Π obtained in this letter, which are better than those available in literature, can be reproduced with calculations using the suitable correlated electrons and active space of orbitals.

© 2011 Chinese Optics Letters

OCIS Codes
(020.2070) Atomic and molecular physics : Effects of collisions
(300.6390) Spectroscopy : Spectroscopy, molecular

ToC Category:
Atomic and Molecular Physics

Jingjuan Liang, Chuanlu Yang, Lizhi Wang, and Qinggang Zhang, "Analytical potential energy function and spectroscopy parameters for B1Π state of KH," Chin. Opt. Lett. 9, 120201- (2011)

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