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 neutron diffraction -- 12. Nuclear magnetic resonance spectroscopy and accurate molecular geometry -- 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 structure -- 20. The importance of accurate structure determination in inorganic chemistry -- 21. Structural variability in metal cluster compounds

1. Molecular structure