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Theoretical study of highly vibrational states of nonlinear triatomic molecules using Lie algebraic approach

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Abstract

The vibrational excitations of bent triatomic molecules are studied by using Lie algebra. The RMS error of fitting 30 spectroscopic data is 1.66 cm−1 for SO2. The results show that the expansion of a molecular algebraic Hamiltonian can well describe the experimental data. And the total vibrational levels can be calculated using this Hamiltonian. At the same time, the potential energy surface can also be obtained with the algebraic Hamiltonian.

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Authors and Affiliations

  1. Institute of Theoretical Chemistry, Shandong University, 250100, Jinan, China

    Zheng Yujun & Ding Shiliang

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  1. Zheng Yujun
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  2. Ding Shiliang
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Correspondence to Zheng Yujun.

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Yujun, Z., Shiliang, D. Theoretical study of highly vibrational states of nonlinear triatomic molecules using Lie algebraic approach. Sc. China Ser. B-Chem. 43, 99–104 (2000). https://doi.org/10.1007/BF03028855

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  • DOI: https://doi.org/10.1007/BF03028855

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