Linked from
The 31 pages that link to Crystal field theory, each with the reason it gives.
ParamagnetismRelated: Orbital splitting can change whether a complex has unpaired electrons.
Coordination geometryRelated: It predicts how ligand arrangement splits a metal ion’s d orbitals.
d-blockRelated: It connects d-orbital splitting to color, magnetism, and coordination geometry.
4f electronRelated: It explains how ligands perturb 4f energy levels despite substantial shielding.
SpinelRelated: It helps explain color produced by transition-metal impurities in spinel.
CrocoiteRelated: It helps explain chromium-related optical behavior in minerals.