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Ga22[Si(SiMe3)3]8: The Largest Atom-Centered Neutral Main Group Metal Cluster
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1999
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Cluster ScienceInorganic ChemistryEngineeringMetal-rich IntermediatePhysicsMetastable GaNatural SciencesCentral Gallium AtomSynthetic ElementCluster ChemistryComputational ChemistryMain Group ChemistryChemistryCrystallographyInorganic Compound
A metal-rich intermediate was captured prior to metal formation by means of a substitution reaction during the disproportionation of a metastable Ga(I) bromide solution. In the thus obtained Ga(22) cluster (see structure), the central gallium atom displays the unusual coordination number of 13.