Coordination Compounds and Orbitals  [ENDORSED]

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Jasmine 2C
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Coordination Compounds and Orbitals

Postby Jasmine 2C » Thu Dec 05, 2019 1:54 am

Perhaps this isn't relevant to what we need to know for the final but for coordination compounds, say [NiCl2(NH3)4], which orbitals (hybridized or unhybridized) do the chloride and ammonia molecules bind to on the nickel atom? Since they are all coordinate covalent bonds, I would assume the orbitals aren't hybridized since the nickel isn't providing any electrons to form the bond.

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Re: Coordination Compounds and Orbitals  [ENDORSED]

Postby Chem_Mod » Fri Dec 06, 2019 5:57 pm

We use the hybridization model for the p-block elements which applies to the ligands.
For example the nitrogen atom in NH3 is sp3 hybridized.

The bonding model for the transition metal d-block elements requires molecular orbital theory or ligand field theory (which is covered in more specialized inorganic courses).

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