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Journal of Coordination Chemistry Volume 66, 2013 - Issue 2
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Short Communication

Ferrocenyl β-diketonato-based Cu(II)-oxo clusters with Cu7 and Cu10 cores

TOBIAS RÜFFER Faculty of Natural Sciences, Department of Inorganic Chemistry, Institute of Chemistry, Chemnitz University of Technology, Chemnitz, Germany
,
ALEXANDER JAKOB Faculty of Natural Sciences, Department of Inorganic Chemistry, Institute of Chemistry, Chemnitz University of Technology, Chemnitz, Germany
,
JANNIE C. SWARTS Department of Chemistry, University of the Free State, Bloemfontein, Republic of South Africa
&
HEINRICH LANG Faculty of Natural Sciences, Department of Inorganic Chemistry, Institute of Chemistry, Chemnitz University of Technology, Chemnitz, GermanyCorrespondence[email protected]
Pages 329-333 | Received 08 Nov 2012, Accepted 14 Nov 2012, Published online: 21 Jan 2013
 
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Abstract

Crystallization of [Cu(β-diketonate)(PPh3)2] (1a, β-diketonate=1-ferrocenyl-butane-1,3-dionato (= fb); 1b, = 1,3-diferrocenyl-propane-1,3-dionato (= dfp)) from ethanol, layered with a mixture of pentane/diethyl ether of ratio 1 : 1 (v/v) in air, afforded Cu(II)-oxo clusters [Cu10(fb)8(O)4(tmdd)2]·1.5Et2O (2) and [Cu7(dfp)6(O)2(OH)2(tmdd)]·2Et2O (3), respectively, in minor yield (tmdd = 1κ 2 C,3κ 2 C-tetramethyldisiloxane-1,3-diolato). These clusters were obtained in somewhat better yield when HOSiMe2OSiMe2OH was added to the crystallization mixtures. The molecular structures of 2 and 3 in the solid state are reported.

Notes

1In the context of this report the terminus “copper(II)–oxo clusters” refers to all multinuclear copper(II) complexes with at least one μ-O atom, independent whether the O atom corresponds to an O2 − or an RO−, respectively (R = any residue).

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