An Orbital Weak Interaction Theory of Catalytic Activity in Ammonia Synthesis

08 June 2022, Version 1
This content is a preprint and has not undergone peer review at the time of posting.

Abstract

In the research for a quantitative correlation between catalytic activity and the property of various catalysts, the electronic configuration, at each catalytic atom, is considered as an important factor. Comparing the reported experimental results of pure metal catalysts for ammonia synthesis, we find that the elements having suitable electronegativity and sufficient accessible half-filled orbitals are most positive for catalytic ammonia production. It is, therefore, proposed that the half-filled orbitals interaction between reactant species and the catalytic active atom plays a decisive role in catalytic activity. The theoretical significance of this discrimination of the orbitals’ interaction in relation to the catalytic activity is discussed.

Keywords

orbital weak interaction
catalytic bond
catalytic reaction mechanism
ammonia synthesis

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