The electronic configuration, all it is is the shorthand notation for that one electron approximation for the Schrodinger equation for lithium. 电子构型就是,对于锂的薛定谔方程,的单电子近似的,简化形式。
Limitations of Conventional One-electron Approximation Methods 传统单电子近似计算法的局限性
The energy levels of free metallic ion were calculated with a thirteen parameters model including the two-body and three-body interactions. The Stark energy levels of crystal field were calculated using the model proposed by Newman based on one electron orbital approximation. 其中,自由f离子能级计算采用包括双电子与叁电子组态相互作用的十三参数模型,晶体场Stark分裂计算采用单电子轨道近似,用Newman角叠加模型计算晶体场参数。