Q3 of 26 Page 1

What is the effect of synergic bonding interactions in a metal carbonyl complex?


• In a metal carbonyl complex, the bonding between the metal and CO has dual character (both ϖ and σ bonding).


The synergic effect in the bonding of this complex produces by the metal to ligand (CO) bonding which is the M-C, ϖ bond which is formed by donation of d-orbital electron pairs of the metal to the vacant antibonding ϖ * (unstable) orbital of carbon monoxide.



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