Advances in Metal and Semiconductor Clusters: Metal Ion Solvation and Metal-Ligand Interactions

Other | July 1, 2001

byDuncan, M.A., M.a. Duncan

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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.

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From the Publisher

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 lat...

Format:OtherDimensions:412 pages, 1 × 1 × 1 inPublished:July 1, 2001Publisher:Elsevier ScienceLanguage:English

The following ISBNs are associated with this title:

ISBN - 10:0080496571

ISBN - 13:9780080496573

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Table of Contents

Solvation of sodium atom and aggregates in ammonia clusters. Electronic and geometric structures of water cluster complexes with a group 1 metal atom: electron-hydrogen bond in the OH{e}HO structure. Determination of sequential metal ion-ligand binding energies by gas phase equilibria and theoretical calculations: application of results to biochemical processes. Doubly charged transition metal complexes in the gas phase. Microsolvation of coordinated divalent transition-metal ions: establishing a spectroscopic connection with the condensed phase. Zero electron kinetic energy photoelectron spectra of metal clusters and complexes. Stability, structure and optical properties of metal ion-doped noble gas clusters. Photodissociation spectroscopy as a probe of molecular dynamics: metal ion-ethylene interactions. Solvated metal ions and ion clusters, and the effect of ligands upon their reactivity. Transition metal monohydrides. The binding in neutral and cationic 3d and 4d transition-metal monoxides and sulfides.