Abstract

AbstractExcited‐state ionization potentials for boron‐like sequence with Z = 5–19 are studied systematically, using the weakest bound electron potential model theory (WBEPM theory) and iso‐spectrum‐level series conception. Nonrelativistic ionization energy is derived from the theory. Relativistic effects are included in the Breit–Pauli approximation. Comparison of the calculated excited‐state ionization potential with available experimental data is carried out for 1s22s22p 2P, 1s22s23s 2S1/2, 1 s22s23p 2P, 1s22s23d 2D5/2, 1s22s24d 2D5/2, 1s22s25d 2D5/2, and 1s22s26d 2D5/2 series. The present results depart from experimental results by no more than 0.133 eV for all 81 results for which experimental data are available. © 2004 Wiley Periodicals, Inc. Int J Quantum Chem, 2004

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