Fig. 3
From: Catalysis-Hub.org, an open electronic structure database for surface reactions

Adsorption energies of atomic oxygen (O) adsorbed onto L12 bimetallic alloys with a A3B composition. The adsorption energy corresponds to the reaction: H2O(g)ā-āH2(g)ā+ā*āā O*, with O adsorbed to the most stable site obtained. From ref.25.