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Decarbonylation of Pentamethylcyclopentadienyl Tetracarbonylvanadium, Cp*V(CO)4

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Decarbonylation of Pentamethylcyclopentadienyl Tetracarbonylvanadium, Cp*V(CO)

4

, in the Presence of Oxygen. The X-Ray Crystal Structure Analyses of Cp*V(CO)

4

and [Cp*V(O)(µ-O)]

4

Max Herberhold, Anna-Maria Dietel, and Wolfgang Milius

Anorganisch-chemisches Laboratorium der Universität Bayreuth, Postfach 10 12 51, D-95440 Bayreuth

Reprint requests to Prof. M. Herberhold. Fax: +49(0)9 21-55-21 57.

E-mail: Max.Herberhold@uni.bayreuth.de

Dedicated to Professor Hartmut Bärnighausen on the occasion of his 70th birthday Z. Naturforsch.58b, 299Ð304 (2003); received December 17, 2002

The reaction of Cp*V(CO)4(1) with molecular oxygen in diluted pentane solution leads to a tetrameric dioxide, [Cp*V(O)(µ-O)]4(2), which is a precursor of the octanuclear aggregate Cp*6V8O17(3). The molecular structures of1and2have been determined by X-ray crystal- lography.

Key words:Vanadium, Organometallic Oxides, Crystal Structures

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