Producción Científica Profesorado

DFT studies of a-diimines adsorption over Fen surface (n = 1, 4, 9 and 14) as a model for metal surface coating.



Camacho Mendoza, Rosa Luz

2010

R.-L. Camacho, E. Montiel. N. Jayanthi, T. Pandiyan. A, J. Cruz, Chemical Physics Letters, 2010, 485(1-3), 142-151doi: 10.1016/j.cplett.2009.12.016


Abstract


The adsorption capability of ?-diimines N-ethylamine-1,2-dimethyl-?-diimine, N-ethylhydroxy-1,2-dimethyl-?-diimine and N-ethylthiol-1,2-dimethyl-?-diimine over iron-clusters was studied by DFT. The results show that since these compounds possess suitable structural and electronic parameters for metal adhesion, ?-diimines strongly adsorb over the metal clusters. Moreover, the calculated binding energy supports the existence of a bond between ?-diimine and the iron metal, consisting of the transfer of high-charge density which in the delocalization region (N1C2?C3N4) is formed by p (nitrogen) and ? (CN) to the metal (L(?) ? Fe). Furthermore, the binding nature of the compounds with the metal is then confirmed in molecular orbital studies by detecting the overlap of HOMO (diimines) with LUMO (iron).



Producto de Investigación




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