Machine derived contents note: Principles. -- Definitions and Theorems of Group Theory. -- Molecular Symmetry and the Symmetry Groups. -- Representations of Groups. -- Group Theory and Quantum Mechanics. -- Symmetry-Adapted Linear Combinations. -- Applications. -- Molecular Orbital Theory and Its Applications in Organic Chemistry. -- Molecular Orbital Theory for Inorganic and Organometallic Compounds. -- Ligand Field Theory. -- Molecular Vibrations. -- Crystallographic Symmetry. -- Appendices. -- Index