Advances in Metal and Semiconductor Clusters (eBook)
412 Seiten
Elsevier Science (Verlag)
978-0-08-049657-3 (ISBN)
Metal-ligand bonding underlies the vast fields of organometallic chemistry, transition metal chemistry and homogeneous catalysis. Catalytic activity, ligand displacement reactions and photochemical activity depend on the specific details of metal-ligand bonding. Likewise, metal ions are ubiquitous in chemistry and biology and weaker electrostatic interactions play a leading role in their function. In solution, metals exist in different charge states depending on the conditions, and the solvation environment strongly influences their chemistry. Many enzymes have metal ions at their active sites, and electrostatic interactions influence the selectivity for metal ion transport through cell membranes. Metal ions (e.g., Mg+, Ca+) are deposited into the earth's atmosphere by meteor ablation, resulting in a rich variety of atmospheric chemistry. Similarly, metal ions ( Mg+) have been observed in planetary atmospheres and in the impact of the comet Shoemaker-Levy 9 on Jupiter. In various circumstances, the electrostatic interactions of metal ions determine the outcome of significant chemistry. Cluster chemistry has made significant contributions to the understanding of these stronger metal ligand interactions and weaker metal ion solvation interactions. In this volume, the authors explore a variety of work in these general areas, where new cluster science techniques in the gas phase have made it possible to synthesize new kinds of complexes with metals and to measure their properties in detail.
In previous volumes in this series, Advances in Metal and Semiconductor Clusters, the focus has been on atomic clusters of metals, semiconductors and carbon. Fundamental gas phase studies have been surveyed, and most recently scientists have explored new materials which can be produced from clusters or cluster precursors. In this latest volume, the focus shifts to clusters composed primarily of non-metal molecules or atoms which have one or more metal atoms seeded into the cluster as an impurity. These clusters provide model systems for metal ion solvation processes and metal-ligand interactions.Metal-ligand bonding underlies the vast fields of organometallic chemistry, transition metal chemistry and homogeneous catalysis. Catalytic activity, ligand displacement reactions and photochemical activity depend on the specific details of metal-ligand bonding. Likewise, metal ions are ubiquitous in chemistry and biology and weaker electrostatic interactions play a leading role in their function. In solution, metals exist in different charge states depending on the conditions, and the solvation environment strongly influences their chemistry. Many enzymes have metal ions at their active sites, and electrostatic interactions influence the selectivity for metal ion transport through cell membranes. Metal ions (e.g., Mg+, Ca+) are deposited into the earth's atmosphere by meteor ablation, resulting in a rich variety of atmospheric chemistry. Similarly, metal ions ( Mg+) have been observed in planetary atmospheres and in the impact of the comet Shoemaker-Levy 9 on Jupiter. In various circumstances, the electrostatic interactions of metal ions determine the outcome of significant chemistry. Cluster chemistry has made significant contributions to the understanding of these stronger metal ligand interactions and weaker metal ion solvation interactions. In this volume, the authors explore a variety of work in these general areas, where new cluster science techniques in the gas phase have made it possible to synthesize new kinds of complexes with metals and to measure their properties in detail.
Cover 1
ADVANCES IN METAL AND SEMICONDUCTOR CLUSTERS 4
Copyright Page 5
Contents 6
LIST OF CONTRIBUTORS 8
PREFACE 12
Chapter 1. SOLVATION OF SODIUM ATOM AND AGGREGATES IN AMMONIA CLUSTERS 14
Chapter 2. ELECTRONIC AND GEOMETRIC STRUCTURES OF WATER CLUSTER COMPLEXES WITH A GROUP 1 METAL ATOM: ELECTRON–HYDROGEN BOND IN THE OH{e}HO STRUCTURE 52
Chapter 3. DETERMINATION OF SEQUENTIAL METAL ION–LIGAND BINDING ENERGIES BY GAS PHASE EQUILIBRIA AND THEORETICAL CALCULATIONS: APPLICATION OF RESULTS TO BIOCHEMICAL PROCESSES 90
Chapter 4. DOUBLY CHARGED TRANSITION METAL COMPLEXES IN THE GAS PHASE 134
Chapter 5. MICROSOLVATION OF COORDINATED DIVALENT TRANSITION-METAL IONS: ESTABLISHING A SPECTROSCOPIC CONNECTION WITH THE CONDENSED PHASE 158
Chapter 6. ZERO ELECTRON KINETIC ENERGY PHOTOELECTRON SPECTRA OF METAL CLUSTERS AND COMPLEXES 200
Chapter 7. STABILITY, STRUCTURE AND OPTICAL PROPERTIES OF METAL ION-DOPED NOBLE GAS CLUSTERS 240
Chapter 8. PHOTODISSOCIATION SPECTROSCOPY AS A PROBE OF MOLECULAR DYNAMICS: METAL ION–ETHYLENE INTERACTIONS 280
Chapter 9. SOLVATED METAL IONS AND ION CLUSTERS, AND THE EFFECT OF LIGANDS UPON THEIR REACTIVITY 308
Chapter 10. TRANSITION METAL MONOHYDRIDES 338
Chapter 11. THE BINDING IN NEUTRAL AND CATIONIC 3d AND 4d TRANSITION-METAL MONOXIDES AND -SULFIDES 360
INDEX 410
Erscheint lt. Verlag | 10.7.2001 |
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Sprache | englisch |
Themenwelt | Naturwissenschaften ► Chemie ► Anorganische Chemie |
Naturwissenschaften ► Chemie ► Organische Chemie | |
Naturwissenschaften ► Chemie ► Physikalische Chemie | |
Naturwissenschaften ► Physik / Astronomie ► Festkörperphysik | |
Naturwissenschaften ► Physik / Astronomie ► Quantenphysik | |
Technik | |
ISBN-10 | 0-08-049657-1 / 0080496571 |
ISBN-13 | 978-0-08-049657-3 / 9780080496573 |
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