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Bonding in coordination complexes

by MathewsMD
Tags: bonding, complexes, coordination
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MathewsMD
#1
Oct29-13, 02:18 PM
P: 295
For metals like copper(I), how does it have a coordination number of 3 in some compounds like [Cu(P(C6H5)3)3]+. I've learned that these coordination bonds are formed by interacting lone pairs from ligands and empty orbitals on the central metal atom. In this case, copper has a 1+ charge and configuration of [Ar] 4s0 3d10 and I'm just slightly confused on how it would form 3 bonds...
Would new bonds just be formed between the lone pair on each phosphorous and the 3 4p orbitals from copper? What happens to the 4s orbital in this case?

If there's a method to determine the coordination number of a metal with ligands, could you please expand on that as well or refer me to any sources?

Thanks!
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MathewsMD
#2
Dec14-13, 08:45 PM
P: 295
Is this question not addressed by CTF?


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