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Application of the DFT based embedding scheme using explicit functional of the kinetic energy to determine the spin-density of Mg+ embedded in Ne and Ar matrices

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Published in Chemical Physics Letters. 1999, vol. 311, no. 1-2, p. 87-92
Abstract The formalism of the Kohn–Sham equations with constrained electron density is extended to the spin-polarized case. The isotropic hyperfine coupling constants (Aiso(Mg)) of Mg+ embedded in a Ne or Ar matrix represented using a cluster are calculated and compared to that of free Mg+. For the largest basis set used, the calculated values (222.9 and 210.4 gauss for Ar and Ne, respectively) agree with experimental measurements (222.4 and 211.6). The shifts of Aiso(Mg) relative to the values for free Mg+ are rather basis-set-independent.
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Research group Groupe Wesolowski
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WESOLOWSKI, Tomasz Adam. Application of the DFT based embedding scheme using explicit functional of the kinetic energy to determine the spin-density of Mg+ embedded in Ne and Ar matrices. In: Chemical Physics Letters, 1999, vol. 311, n° 1-2, p. 87-92. https://archive-ouverte.unige.ch/unige:2939

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Deposited on : 2009-09-21

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