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  • 1
    Electronic Resource
    Electronic Resource
    College Park, Md. : American Institute of Physics (AIP)
    The Journal of Chemical Physics 90 (1989), S. 1730-1734 
    ISSN: 1089-7690
    Source: AIP Digital Archive
    Topics: Physics , Chemistry and Pharmacology
    Notes: Nonrelativistic and quasirelativistic energy-adjusted ab initio pseudopotentials substituting the 1s–3d core orbitals with corresponding spin–orbit operators for the rare earth elements Ce through Yb have been generated. Excitation and ionization energies from numerical pseudopotential calculations differ by less than 0.1 eV from corresponding numerical all–electron results. The pseudopotentials for Ce have been tested in molecular calculations for the 3Φ ground state of CeO. The derived spectroscopic constants from quasirelativistic pseudopotential CI(SD) calculations including Davidson's correction (Re=1.827 A(ring), De=6.95 eV, ωe=834 cm−1) are in good agreement with experimental values (Re=1.820 A(ring), De=8.19 eV, ωe=862 cm−1).
    Type of Medium: Electronic Resource
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