Volume 38, Issue 22 pp. 3381-3383
Communication

Ga22[Si(SiMe3)3]8: The Largest Atom-Centered Neutral Main Group Metal Cluster

Andreas Schnepf

Andreas Schnepf

Institut für Anorganische Chemie der Universität (TH), Engesserstraße, Geb. 30.45, D-76128 Karlsruhe (Germany), Fax: (+49) 721-608-4854

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Edgar Weckert

Edgar Weckert

Institut für Kristallographie der Universität (TH), Engesserstraße, Geb. 30.45, D-76128 Karlsruhe (Germany)

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Gerald Linti

Gerald Linti

Institut für Anorganische Chemie der Universität (TH), Engesserstraße, Geb. 30.45, D-76128 Karlsruhe (Germany), Fax: (+49) 721-608-4854

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Hansgeorg Schnöckel

Hansgeorg Schnöckel

Institut für Anorganische Chemie der Universität (TH), Engesserstraße, Geb. 30.45, D-76128 Karlsruhe (Germany), Fax: (+49) 721-608-4854

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Abstract

A metal-rich intermediate was captured prior to metal formation by means of a substitution reaction during the disproportionation of a metastable GaI bromide solution. In the thus obtained Ga22 cluster (see structure), the central gallium atom displays the unusual coordination number of 13.

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