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I. Rabin, W. Schulze, Gerhard Ertl

Mass Spectrometric Investigation of Nonstoichiometric Silver-Fluorine Cluster Compounds Ag_nFm (0  ≤ m  ≤ n)

Keywords: Clusters, metal bonding, ionic bonding, Mass spectrometry, gas aggregation technique

Silver-fluorine cluster compounds Ag_nF_m(0  ≤ m  ≤ n, n  ≥ 2) were produced by evaporation of silver into an argon atmosphere enriched with SF₆ . The mass spectra of the cations, resulting from the subsequent electron impact ionization, reflect the relative stabilities of the various species. It turns out that up to rather high degree of fluorination these are determined by the available number of Ag valence electrons (if it is assumed that each F atom "consumes" one of these electrons). This suggests the existence of a metallic core, surrounded by negatively charged ligands, in analogy to the properties of crystalline Ag₂F.

Zeitschrift für Physikalische Chemie, Oldenbourg Wissenschaftsverlag

Print ISSN: 0942-9352
Volume: 169, 01/1990
Pages: 085 - 091

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