A theoretical quantum study on the distribution of electrophilic and nucleophilic active sites on Ag(100) surfaces modeled as Finite Clusters
DOI:
https://doi.org/10.29356/jmcs.v50i1.1298Keywords:
Active sites, silver, pseudopotentials, electronic unit cellAbstract
Abstract. A theoretical quantum study on the distribution of electrophilic and nucleophilic active sites on silver surfaces with (100) orientation and modeled as finite clusters is reported. From Hartree-Fock and Density Functional Theory calculations with the
LANL1MB and LANL2DZ basis set, we found that the electrophilic active sites are extended and they are formed by a group of atoms. The nucleophilic active sites were located on hollow positions. The numbers of electrophilic and nucleophilic active sites were 1.86X1014 and 5.98X1014 active sites cm-2 respectively.
Resumen. Se reporta un estudio teórico cuántico de la distribución de sitios activos electrofílicos y nucleofílicos sobre superficies de plata con orientación (100) modeladas con cúmulos de tamaño finito. A partir de cálculos Hartree-Fock y de la Teoría de los Funcionales de la Densidad con las bases LANL1MB y LANL2DZ encontramos que los sitios electrofílicos son extendidos y formados por un grupo de átomos. Los sitios nucleofílicos se localizaron en posiciones en el hueco. El número de sitios electrofílicos y nucleofílicos fueron 1.86X1014 y 5.98X1014 sitios-activos cm-2 respectivamente.
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