Crystal Field Theory

We are used to using a theory like VSEPR theory to predict molecular geometry, but unfortunately with coordination compounds, things are not so simple, because of those pesky d orbitals on the central metal atom. Crystal field theory is a model that is quite successful in predicting the geometries of these compounds, as well as other characteristics, like magnetic behavior, and color, so let's learn about this theory now!
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[@jeffreysayed8621]

I like your explanations. They are brief and concise. I have a background in Chemistry. When it comes to ligands, do we not have pi acceptor and pi donor ligands? If you do not have a video on that could you do one? Also do you have something on the spectrochemical series?

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[@Benneification]

So why exactly do the ligands repel these orbitals making them energetically unfavorable while in classic bond theory we explain the formation of a chemical bond by OVERLAPPING orbitals?

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[@spuddsalli8559]

So weak field ligands show less colour and strong filled ligands show more colour as the difference in energies is sfl is greater than wfl, right?

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What is the CFSE value of co(NH3)6+3

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Awesome!!!! i can now understand coordination compound crystal clear! XD

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Sir one doubt in compound[ Ni CN4]²- how can we figure out it is tetrahedron or square planar

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Can we have one explaining the interactions of the lobes and electrostatic repulsion to

[@user-gt1zx7jt3h]

Can u explain the Jahn Teller distortion effect as well? Pls

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[@MillyC9922]

Hi, I absolutely love your videos, they have already helped me a lot throughout my undergrad degree, so thanks a lot!! Just one question, at 5:16 in your diagram for square planar complexes, shouldn’t the dz2 orbital be lower in energy than the dxy orbital?

[@santbhindranwalejidefanche8767]

Yes it should be. In order of highest to lowest: (dx2-y2) > (dxy) > (dz2) > (dxz, dyz)

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[@Matt-es1wn]

How does the metal being Hard and Soft effect this?

[@PritomAhad]

At 4:54, it ligands approach dxy dxz dyz, so it means in tetrahedral higher energy shells get filled first? But in octahedral the lower shell got filled?

[@ProfessorDaveExplains]

So it's always the lower-energy orbitals that get filled first, it's just that the identity of the lower-energy orbitals changes depending on the geometry.

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Thanku professor

[@udayjangir5163]

do CFT explains the order of spectrochemical series?

[@galinacavaljiu4203]

Hi, is it Fe2+ means d4 ,as is loosing 2 electrons and instead of 26 will have 24? thank you

[@ProfessorDaveExplains]

yes it lost 2 electrons but it will lose its s electrons, not d.

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thank you

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Thaankss 😍