Fig. 1. Functional relation diagrams of eigenenergy of low-level KH hydrogen atom and α₀ at different symmetries. (a) σ_g symmetry; (b) σ_u symmetry

Fig. 2. Projection structure diagrams of wave functions of ground state of KH hydrogen atom with σ_g symmetry at different values of α₀ on x-z plane. (a) α₀=0 a.u.; (b) α₀=10 a.u.; (c) α₀=20 a.u.; (d) α₀=30 a.u.; (e) α₀=50 a.u.; (f) α₀=100 a.u.

Fig. 3. Projection structure diagrams of wave functions of low-level eigenstate of KH hydrogen atom with σ_g and σ_u symmetries on x-z plane when α₀=60 a.u.. (a) σ_g(1s); (b) σ_u(2p); (c) σ_g(2s); (d) σ_u(3p); (e) σ_g(3d); (f) σ_u(4p); (g) σ_g(3s); (h) σ_u(4f)