Quantum chemical study of H2 adsorption on Pd21 cluster


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Abstract

Modeling of the interaction of an H2 molecule with the surface of the Pd21 cluster in different spin states was performed using the DFT/PBE scalar relativistic approximation. The spin multiplicity of the system significantly affects the mechanism of adsorption, its parameters, and migration of hydrogen atoms. The H atoms can migrate over the cluster surface with low barriers (1.6 kcal mol–1). The complex with C2v symmetry, wherein the H atoms occupy adjacent fcc sites, is the most energetically stable.

About the authors

R. S. Shamsiev

Institute of Fine Chemical Technologies, Moscow Technological University

Author for correspondence.
Email: Shamsiev.R@gmail.com
Russian Federation, 86 prosp. Vernadskogo, Moscow, 119571

F. O. Danilov

Institute of Fine Chemical Technologies, Moscow Technological University

Email: Shamsiev.R@gmail.com
Russian Federation, 86 prosp. Vernadskogo, Moscow, 119571

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