4. Electronic structure of molecules 2+2+ 4.1 The Schrödinger Equation for molecules 4.2 The Born-Oppenheimer approximation 4.3 Valence-bond theory.
The Born-Oppenheimer approximation The electrons are much lighter than the nuclei (m e /m H 1/1836) their motion is much faster than the vibrational.
4. Electronic structure of molecules
