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Particle in a box: infinite and finite square wells; concept of tunnelling; particle in 1D, 2D and 3D-box; applications.
Multi-electron atoms: orbital approximation; electron spin; Pauli exclusion principle; slater determinants.
Approximation Methods: Variation method and secular determinants; first order perturbation techniques.
Atomic units. Molecular structure and Chemical bonding: Born-Oppenheimer approximation;Valence bond theory and linear combination of atomic orbitals – molecular orbital (LCAO-MO) theory.
Applications of LCAO-MO theory to H2+, H2; orbital theory (MOT) of homo- and heteronuclear diatomic molecules.