Abstract

The nonrelativistic energies for lithium isoelectronic sequence 1s2ng and 1s2nh (n = 5,6,7, and 8) states from Z = 3 to 8 are calculated by using a full core plus correlation (FCPC)method with multiconfiguration interaction wave functions.Relativistic and mass-polarization effects on the energyare evaluated as the first-order perturbation theory.Our predicted excitation energies are compared with previousexperimental results in the literature.

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