Kinetic energy analysis of atomic multiplets

A kinetic energy analysis of total energy differences in 115 atomic multiplet states is presented. We show by numerical restricted Hartree—Fock calculations that there is a reasonably accurate linear relationship between the kinetic energy of the electrons in open subshells and the total energy within a manifold of states arising from the same spⁿ or s²pⁿ (n = 2,3,4) electron configuration in main-group atoms. © 1996 John Wiley & Sons, Inc.