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Topic: Quick question regarding ethene/py ligand  (Read 949 times)

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Offline khaleelc

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Quick question regarding ethene/py ligand
« on: January 03, 2013, 10:08:10 AM »
If you have Fe(CO)4(C2H4), the ethene ligand is equatorial
but in Fe(CO)4(py), the pyridine is in the axial position? Why is that? Is it something to do with backbonding from the metal d orbitals, with ethene being a pi donor/acceptor?

Thanks

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