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Electron density distribution in the ethylene complexes with Pd-containing bimetallic clusters
2013 (English)In: Molecular Simulation, ISSN 0892-7022, Vol. 39, no 8, 660-669 p.Article in journal (Refereed) Published
Abstract [en]

The complexes of PdM bimetallic clusters (M=Cr, Mn, Fe, Co, Ni, Cu, Zn, Ag, Cd) with ethylene are calculated at the density functional theory level with the quantum theory of atoms in molecule approach for the electron density distribution analysis. Formation of the metal-carbon coordination bonds in the studied complexes is determined by the (3, -1) critical point appearance between the corresponding atoms. The energy of these interactions is estimated as a measure of the PdM clusters adsorptivity. All the C-C, C-Pd and C-M bonds are classified by the characters of the electron density Laplacian at the bond critical point and by the electron energy density. It is shown that the ethylene molecule is strongly activated by adsorption on the PdM clusters. The estimated binding energy between PdM and C2H4 is in the range of 58.3-97.8kcal/mol going from the PdCd(C2H4) to the PdNi(C2H4) complexes, respectively.

Place, publisher, year, edition, pages
2013. Vol. 39, no 8, 660-669 p.
National Category
Physical Chemistry
URN: urn:nbn:se:kth:diva-124571DOI: 10.1080/08927022.2012.758851ISI: 000320183200007ScopusID: 2-s2.0-84879077383OAI: diva2:636811

QC 20130712

Available from: 2013-07-12 Created: 2013-07-12 Last updated: 2013-07-12Bibliographically approved

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