Abstract

The co-adsorption of carbon monoxide and benzene on Co (0001) has been studied using density functional calculations. We used the ordered [Formula: see text] surface unit cell. A comparison of the co-adsorption with CO and benzene two-dimensional networks is also given. The electronic structure reveals that the CO orbitals interact with benzene and Co layer. Regarding the bonding, the Co–Co overlap population decrease 18% after benzene adsorption and increase a little after CO adsorption with a net 14.6% decrease in the co-adsorption system. The CO –benzene interaction is shown by the changes in the C – O ( CO ) and C – H (benzene) bonds.

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