The structures and EPR parameters of fluorinated vinyl radicals have been investigated by the density functional approach. Comparison with conventional post-Hartree-Fock methods shows that DF results are competitive with MP2 results for geometries and harmonic frequencies and with coupled cluster c
Relativistic density functional approach to open shells
β Scribed by Eschrig, H.; Servedio, V. D. P.
- Publisher
- John Wiley and Sons
- Year
- 1999
- Tongue
- English
- Weight
- 231 KB
- Volume
- 20
- Category
- Article
- ISSN
- 0192-8651
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β¦ Synopsis
A full application of relativistic spin-density functional theory in noncollinear treatment of the exchange and correlation field is given to open-shell atoms and ions of the carbon group. It is shown that the influence of noncollinearity is small as compared with self-interaction corrections. Unfortunately, the defect of the local spin-density approximation not to yield a source-free exchange and correlation field increases in noncollinear treatment.
π SIMILAR VOLUMES
With present day exchange-correlation functionals, accurate results in nonrelativistic open shell density functional calculations can only be obtained if one uses functionals that do not only depend on the electron density but also on the spin density. We consider the common case where such function
A rigorous approach of density functional theory DFT for open-shell Ε½ . multifermionic systems is devised, using a local-scaling transformation LST scheme Ε½ . N involving a single scalar function f r . Within the orbit induced by a model wave Ε½ . function MWF βΏ, the total energy of space or spin de