1. Introduction (Overview, electron counting, classification of ligand, the principle of molecular orbital theory, general consideration of metal complexes)
2. Molecular orbitals of the metal complexes with sigma bonds I (Octahedral, Square pyramidal, Tetrahedral, Trigonal bipyramidal structures)
3. Molecular orbitals of the metal complexes with sigma bonds II (Triangle, Linear, Pyramidal, T-shaped, butterfly-shaped, bend structures)
4. Molecular orbitals of the metal complexes with π bonds I (π donor and π acceptor ligands)
5. Molecular orbitals of the metal complexes with π bonds II (olefin ligand and metallocenes)
6. Conformational analysis of the metal complexes, carbene complexes, and dinuclear complexes