Crystal field splitting energies for octahedral $(\Delta_0)$ and tetrahedral $(\Delta_t)$ geometries caused by the same ligands are related through the expression
- A$\Delta_0 = \Delta_t$
- B$4 \Delta_0 = 9 \Delta_t$
- C$9 \Delta_0 = 4 \Delta_t$
- D$\Delta_0 = 2 \Delta_t$
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