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《武汉大学自然科学学报(英文版)》 2008-02
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New Method on Constructing Analytic Potential Function of Diatomic Molecules

YU Changfeng,WANG Jing School of Science,Xi’an Polytechnic University,Xi’an 710048,Shaanxi,China  
A new method on constructing analytical potential energy functions is presented,and then a relatively universal analytical potential energy function for precisely calculating the spectra of diatomic molecules and ions is derived.Furthermore,six kinds of common potential energy curves containing three main potential curves i.e.steady state,metastable state and repulsive state are obtained from this potential energy function.Finally,spectroscopic parameters of thirteen diatomic molecules and ions including BeD-X 2 ∑ + ,BeT-X2∑+ and Na 2-X 1∑ g+ etc are calculated by using the potential function,as a consequence,all calculation results are in good agreement with experimental data.
【Key Words】: diatomic molecules and ions potential energy function force constants spectroscopic parameters phase factor
【Fund】: the National Natural Science Foundation of China (40274044)
【CateGory Index】: O561
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【Citations】
Chinese Journal Full-text Database 2 Hits
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【Co-citations】
Chinese Journal Full-text Database 9 Hits
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