Molecules and Their Spectroscopic Properties

1 Molecular Structure.- 1.1 Classification of Chemical Bonds and Molecular Terms.- 1.1.1 Electronic Energy Levels.- 1.1.2 Vibrational Energy Levels.- 1.1.3 Rotational Energy Levels.- 1.2 Coupling Schemes.- 1.3 Quantum Chemistry Methods.- 1.4 Equilibrium Form of Molecules.- 1.5 Potential-Energy Curves.- 1.6 Corrections to the Electronic Structure.- 1.6.1 Hyperfine Interaction and Isotope Effect.- 1.6.2 Relativistic Effects.- 2 Spectroscopic and Geometrical Constants of Molecules.- 2.1 Constants of Diatomic Molecules.- 2.2 Fundamental Vibrational Frequencies of Polyatomic Molecules..- 2.3 Rotational Constants and Geometrical Parameters of Polyatomic Molecules.- 3 Energy Constants of Molecules.- 3.1 Bond Dissociation Energies.- 3.2 Ionization Potentials.- 3.3 Electron Affinities.- 3.4 Proton Affinities.- 4 Electrical Properties of Molecules.- 4.1 Dipole Moments.- 4.2 Multipole Moments.- 4.3 Molecular Polarizabilities.- 5 Molecular Spectra.- 5.1 Types of Transitions and Selection Rules.- 5.2 Oscillator Strengths and Transition Probabilities.- 5.2.1 Rotational Spectra.- 5.2.2 Vibrational and Vibrational-Rotational Spectra.- 5.2.3 Rovibronic Spectra.- 5.2.4 Franck-Condon Factors.- 5.3 Photoionization.- 6 Collisions of Molecules with Electrons.- 6.1 Basic Approaches.- 6.2 Types of Collision Processes.- 6.3 Elastic Scattering.- 6.4 Excitation of Molecules by Electron Impact.- 6.4.1 Rotational Excitation.- 6.4.2 Vibrational Excitation.- 6.4.3 Electronic Excitation.- 6.4.4 Resonance Processes.- 6.5 Dissociation and Dissociative Attachment.- 6.5.1 Dissociative Processes.- 6.6 Ionization by Electron Impact.- 6.7 Electron-Ion Recombination and Electron Attachment.- 7 Interatomic Potentials.- 7.1 Interaction Constants.- 7.1.1 Van-der-Waals Interaction.- 7.1.2 The van-der-Waals Equation of State.- 7.1.3 The Lennard-Jones Potential.- 7.2 Energy Potentials of Molecular Hydrogen and Its Ions.- References.