摘要
采用多组态简并微扰理论计算了自旋轨道耦合下的BeH分子第一激发态A2∏的分裂,得到了这些分裂态的Murrell-Sorbie势能函数,在此基础上推导出了电子态2∏12和2∏32的光谱常数.2∏12到2∏32的垂直激发能为78.422 cm-1,对于电子态2∏12和2∏32的光谱数据在我们的计算中首次给出.
The splitting of potential energy curves for the first excited state A2II of Bell under spin-orbit coupling (SOC) has been calculated by using the spin-orbit (SO) multi-configuration quasi-degenerate perturbation theory(SO-MCQDPT). Their Murrell-Sorbie(M-S) potential functions are gained, and then the spectroscopic constants for the electronic states 2II1/2and 21-[3/2 are derived from the M-S function. The vertical excitation energies for Bell is v[geH(A^2∏1/2→^2∏3/2) ] = 78. 422 cm^-1. All the spectroscopic data for the electronic states ^2∏1/2 and ^2∏3/2 are given for the first time.
出处
《四川大学学报(自然科学版)》
CAS
CSCD
北大核心
2008年第4期920-924,共5页
Journal of Sichuan University(Natural Science Edition)
基金
国家自然科学基金(10574096)
高等学校博士学科点专项科研基金(2005610010)
贵州省教育厅自然科学基金(2005105)