Abstract
The transition metal vapors are essentially monoatomics. The first part of the paper is devoted to the methods used to produce small aggregates: gas phase aggregation or matrix isolation in solids at low temperature. The second part describes the spectroscopic methods involved in the characterization of such species with their possibilities illustrated by some results obtained in this field. We tentatively show how these techniques are yielding new electronic vibrational, structural and bonding information. They provide also certain physical and chemical properties of a wide range of metal clusters in different solid supports. In conjonction with gas phase data, it exists now a unique opportunity to determine the strength of metal-support interactions and develop new experiments in which we will able to control the alterations in charge density and structure of a supported metal cluster. In a next future it seems necessary to focus the experiments on ligand-free clusters size ranging from 4 to 6 atoms and also to check the chemical reactivity of the smallest clusters.
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Tranquille, M. (1986). Spectroscopic Characterization of Bonding in Diatomics and Small Transition Metal Aggregates. In: Veillard, A. (eds) Quantum Chemistry: The Challenge of Transition Metals and Coordination Chemistry. NATO ASI Series, vol 176. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-4656-9_4
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DOI: https://doi.org/10.1007/978-94-009-4656-9_4
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