Inside a superatom: The M7q (M=Cu, Ag, q=1+, 0, 1-) case

Alvaro Muñoz-Castro, Desmond Mac Leod Carey, Ramiro Arratia-Pérez

Resultado de la investigación: Contribución a una revistaArtículo

23 Citas (Scopus)

Resumen

All-electron relativistic density functional calculations are performed to obtain the electronic structure and nucleus-independent chemical shifts (NICS) of D5h pentagonal-bipyramidal (PBP) Cu7q and Ag7q (q=1+,0,1) clusters. Scalar and spin-orbit relativistic effects are taken into account at two levels: the two-component zero-order regular approximation (ZORA) Hamiltonian and fully relativistic four-component calculations via the Dirac equation. These clusters are treated by including the spin-orbit effect in the jellium model, within the doublevalued point group (D5h*) establishing the symmetry correlations between the molecular and the atomic spinors given by the full rotation group. These clusters show highly spherical aromaticity, which is suggested to increase the hardness of the superatom. Thus, the calculations suggest that the paramagnetic Cu7 and Ag7 clusters can be regarded as pseudohalogens.

Idioma originalInglés
Páginas (desde-hasta)646-650
Número de páginas5
PublicaciónChemPhysChem
Volumen11
N.º3
DOI
EstadoPublicada - 22 feb 2010

Áreas temáticas de ASJC Scopus

  • Óptica y física atómica y molecular
  • Química física y teórica

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