Structural Methods in Inorganic Chemistry, Second Edition

FOREWORD. PREFACE. ACKNOWLEDGEMENTS. DETERMINING STRUCTURES - HOW AND WHY. General Introduction - Asking Questions About Structure. Answering Questions About Structure. Plan of the Book. Timescales. Modern Technology and the Development of Instruments. Glossary of Spectroscopic and Structural Techniques. NUCLEAR MAGNETIC RESONANCE SPECTROSCOPY. Introduction. The Nuclear Magnetic Resonance Phenomenon. Experimental Methods. Information From Chemical Shifts. Information From NMR Signal Intensities. Simple Patterns Due to Coupling Between Spinning Nuclei. Information From Coupling Constants. Not-so-Simple Spectra. Relaxation. Multiple Resonance. Multi-Pulse Methods. Gases. Liquid Crystals. Solids. Monitoring Reactions. Paramagnetic Compounds. ELECTRON SPIN AND NUCLEAR QUADRUPOLE RESONANCE SPECTROSCOPY. The Electron Spin Resonance Experiment. Hyperfine Coupling in Isotropic Systems. Arlisotropic Systems. Transition Metal Complexes. Multiple Resonance. The Nuclear Quadrupole Resonance Experiment. Structural Information from NQR Spectra. Interpretation of Nuclear Quadrupole Coupling Constants. ROTATIONAL SPECTRA AND ROTATIONAL STRUCTURE. Introduction. Rotation of Molecules. Rotational Selection Rules. Instrumental. Using the Information in a Spectrum. Using Rotation Constants to Define Molecular Structures. VIBRATIONAL SPECTROSCOPY. Introduction. The Physical Basis - Molecular Vibrations. Observing Molecular Vibrations. Spectrometers. Sample Handling. Effects of Phase on Spectra. Vibrational Spectra and Symmetry. Assignment of Bands to Vibrations. Structural Information From Vibrational Spectra. Fingerprints. Group Frequencies. Use of Isotopes in Interpreting Vibrational Spectra. Complete Empirical Assignment of Vibrational Spectra. Normal Co-Ordinate Analysis. Changes of Structure With Phase. Vibrational Spectroscopy of Unstable Molecules. Resonance Raman Spectroscopy. ELECTRONIC AND PHOTOELECTRON SPECTROSCOPY. Introduction. Excitation and Ejection of Electrons. Electronic Energy Levels in Atoms and Molecules. Core-Level Photoelectron Spectroscopy. Symmetry and Molecular Orbitals. Valence-Electron Photoelectron Spectroscopy. Valence Excitation Spectroscopy. Electronic Energy Levels and Transitions in Transition Metal Complexes. Assigning Bands of Transition Metal Complexes. Circular Dichroism. Detection of Complexes and Measurement of Concentrations. Spectra of Compounds of Elements With Partly-Filed ? Subshells (Lanthanides and Actinides). MOSSBAUER SPECTROSCOPY. Introduction. Principles. Conditions for Moessbauer Spectroscopy. Parameters From Moessbauer Spectra. Difficulties. Conversion Electron Moessbauer Spectroscopy. Structural Deductions. DIFFRACTION METHODS. Introduction. Diffraction of Electrons, Neutrons and X-Rays. Diffraction By Gases. Diffraction By Liquids. Diffraction By Single Crystals. Diffraction By Powders. Neutron Diffraction. Study of Electron Density Distributions. Extended X-Ray Absorption Fine Structure. MASS SPECTROMETRY. Experimental Arrangements. Molecular Ions. Fragmentation. Ion Reactions. Thermodynamic Data. CASE HISTORIES. Introduction. Xenon Hexafluoride. The Cation Xe2+. Complexes of Xenon and Krypton Fluoro-Cations With Nitriles. Tetrahydroborates. Sodium Orthonitrate, Na3NO4. Some Cyclopentadienyl Compounds. Some Clusters of Gold and Other Metals. Iron-Molybdenum-Sulfur Cubane-Type Clusters. Methylidynephosphine. Bipyridine Complexes. A Boron Disulfide Macrocycle. A Novel Lead-Selenium Anion. The Structure of N2O3. A Radical Monomer. Fe(CO)4. Gold Ylide Complexes. Chromium-Chromium Quadruple Bonds. Dihydrogen and Dihydride Complexes. APPENDIX: SYMMETRY. PROBLEMS - SOLUTIONS AND COMMENTS. COMPOUND INDEX. SUBJECT INDEX.