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  • 1980-1984  (3)
Material
Years
Year
  • 1
    Electronic Resource
    Electronic Resource
    Springer
    The European physical journal 318 (1984), S. 369-370 
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Using a relativistic molecular DFS code we have calculated a self-consistent many electron relativistic correlation diagram of the system Cl-Ar. The resulting energy for the 2pπ-1sσ transition is in complete agreement with the experimental results of Schuch et al./1/. This definitely confirms their claim that they are able to measure this quantity from interference structures observed in quasi-molecular K-X-ray spectra.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    The European physical journal 304 (1982), S. 79-83 
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Ab initio self-consistent DFS calculations are performed for five different symmetric atomic systems from Ar-Ar to Pb-Pb. The level structure for the 2p π - 2p σ crossing as function of the united atomic chargeZ u is studied and interpreted. Manybody effects, spin-orbit splitting, direct relativistic effects as well as indirect relativistic effects are differently important for differentZ u. For the I-I system a comparison with other calculations is given.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    The European physical journal 297 (1980), S. 101-104 
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Total energy SCF calculations were performed for noble gas difluorides in a relativistic procedure and compared with analogous non-relativistic calculations. The discrete variational method with numerical basis functions was used. Rather smooth potential energy curves could be obtained. The theoretical Kr-F and Xe-F bond distances were calculated to be 3.5 a.u. and 3.6 a.u. which should be compared with the experimental values of 3.54 a.u. and 3.7 a.u. Although the dissociation energies are off by a factor of about five it was found that ArF2 may be a stable molecule. Theoretical ionization energies for the outer levels reproduce the experimental values for KrF2 and XeF2 to within 2 eV.
    Type of Medium: Electronic Resource
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