Inhaltsangabe1 Introduction.- 2 Mechanical Properties of Molecules, Their Size and Mass.- 3 Molecules in Electric and Magnetic Fields.- 4 Introduction to the Theory of Chemical Bonding.- 5 Symmetries and Symmetry Operations: A First Overview.- 6 Symmetries and Symmetry Operations. A Systematic Approach.- 7 The Multi-Electron Problem in Molecular Physics and Quantum Chemistry.- 8 Overview of Molecular Spectroscopy Techniques.- 9 Rotational Spectroscopy.- 10 Vibrational Spectroscopy.- 11 The Quantum-Mechanical Treatment of Rotational and Vibrational Spectra.- 12 Raman Spectra.- 13 Electronic States.- 14 The Electronic Spectra of Molecules.- 15 Further Remarks on the Techniques of Molecular Spectroscopy.- 16 The Interaction of Molecules with Light: Quantum-Mechanical Treatment.- 17 Theoretical Treatment of the Raman Effect and the Elements of Nonlinear Optics.- 18 Nuclear Magnetic Resonance.- 19 Electron Spin Resonance.- 20 Macromolecules, Biomolecules, and Supermolecules.- 21 Experiments on and with Single Molecules.- 22 Molecular Electronics and Other Applications.- A. 1 The Calculation of Expectation Values Using Wavefunctions Represented by Determinants.- A.l.l Calculation of Determinants.- A.1.2 Calculation of Expectation Values.- A.2 Calculation of the Density of Radiation.- Fundamental Constants of Atomic Physics (Inside Front Cover).- Energy Conversion Table (Inside Back Cover).