In an octahedral crystal field,the t_{2g} orb | vedclass

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Question

(A) In an octahedral crystal field,the five degenerate $d$-orbitals split into two sets: the $t_{2g}$ set $(d_{xy}, d_{yz}, d_{zx})$ and the $e_g$ set

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Lowered in energy by $0.4 \Delta_0$.

Vedclass · Answer

(A) In an octahedral crystal field,the five degenerate $d$-orbitals split into two sets: the $t_{2g}$ set $(d_{xy}, d_{yz}, d_{zx})$ and the $e_g$ set $(d_{x^2-y^2}, d_{z^2})$.Due to the approach of ligands along the axes,the $e_g$ orbitals experience greater repulsion and are raised in energy by $0.6 \Delta_0$,while the $t_{2g}$ orbitals are lowered in energy by $0.4 \Delta_0$ relative to the barycenter.

In an octahedral crystal field,the $t_{2g}$ orbitals are:

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