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Antimony-Tungsten Triple Bond: A Stable Complex with a Terminal Antimony Ligand [Antimon-Wolfram-Dreifachbindung: ein stabiler Komplex mit terminalem Sb-Liganden]

DOI to cite this document:
Balázs, Gábor ; Sierka, Marek ; Scheer, Manfred
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Date of publication of this fulltext: 07 Jun 2010 13:05


The intermediately generated Li[(Me3Si)2CHSb(H)] reacts with [(N3N)WCl] to give the first complex with a terminal stibido ligand, [(N3N)WSb] (see structure). Spectroscopic features and the X-ray structure of this product clearly reveal the triple-bond character of the WSb bond. A comparison of the bonding situations in the series [(N3N)WE] (E=P, As, Sb, Bi) indicates only a weak polarization of the triple bond.

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