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Molecular formula : MW : CAS :
nature : in the distribution of metal carbonyl compounds such as Ni (CO) 4, Fe (CO) 5, CO ligand complex on the one hand, to electronic I in the form of metal atoms and σ Bonding, M �CO (a figure), the other with an empty-bond π * orbit and the metal atoms d orbital overlap from the metal atoms to accept electronic form where π available M �CO, said the feedback button (Figure b). Therefore, the M-CO bond for the σ - π Bonding. Feedback can form a bond with Ligand also ethylene, acetylene, Isocyanides, such as Asia nitroxyl.
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