. . . an important book which will remain the standard work for teachers, students, and researchers for years to come.

• 1. Structural Chemistry ; 2. The Potential Energy Surface and the Meaning of Internuclear Distances ; 3. Reliability of Structure Determinations by Microwave Spectroscopy ; 4. Determination of Accurate Molecular Structure by Vibration-Rotation Spectroscopy ; 5. Gas-phase Electron Diffraction ; 6. X-ray Crystallography: An Introduction ; 7. Measurement of Accurate Bragg Intensities ; 8. Diffraction Studies of Molecular Motion in Crystals ; 9. Lattice-dynamical Interpretation of Crystallographic Thermal Parameters ; 10. The Role of Electron Density in X-ray Crystallography ; 11. Accurate Crystal Structure Analysis by Neuron Diffraction ; 12. Nuclear Magnetic Resonance Spectroscopy and Precise Molecular Geometries ; 13. Quantum Mechanical Determination of Static and Dynamic Structure ; 14. Molecular Mechanics ; 15. Crystallographic Databases: Retrieval and Analysis of Precise Structural Information From the Cambridge Structural Database ; 16. The Importance of Accurate Structure Determination in Organic Chemistry ; 17. Structure Correlations, Reaction Pathways and Energy Surfaces for Chemical Reactions ; 18. Structural Substituent Effects in Benzene Derivatives ; 19. Effect of Crystal Environment on Molecular Structures ; 20. The Importance of Accurate Structure Determination in Inorganic Chemistry ; 21. Structural variability in metal cluster compounds