Problem: Energies of the d orbitals in a square-planar crystal field.For which d orbital(s) do the lobes point directly at the ligands in a square-planar crystal field? Check all that apply. a) dxyb) dz2c) dxzd) dx2 - y2e) dyz

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square planar → AX4E2

A → central atom
X → atoms bonded with the central element
E → lone pairs


Square planar geometry:

A → central atom
X (atoms) → on the x and y axes (based on crystal field theory)
E (lone pairs) → on the z-axis (least repulsion arrangement)


The d-orbitals are:

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Problem Details

Energies of the d orbitals in a square-planar crystal field.

For which d orbital(s) do the lobes point directly at the ligands in a square-planar crystal field? 

Check all that apply. 

a) dxy

b) dz2

c) dxz

d) dx2 - y2

e) dyz


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