The Jahn-Teller Effect · Degeneracy Forces Distortion
unseel.com · octahedral Cu²⁺ (d⁹) elongates · EJT ≈ 1,500 cm⁻¹
Geometry Oh
eg split Δ 0
Stage symmetric octahedron
Cu²⁺ (d⁹) center
Ligand (equatorial)
Ligand (axial, elongates)
eg orbitals (d, dx²−y²)
energy lowered
Unseel.com · The Jahn-Teller Effect