Methanolysis as a Route to Gallium(III) Clusters:  Synthesis and Structural Characterization of a Decanuclear Molecular Wheel

Treatment of a methanolic solution of gallium(III) nitrate with lithium hydroxide in the presence of benzilic acid resulted in the decanuclear cluster [Ga(OMe)2{O2CC(OH)Ph2}]10 (1). The metal and the organic components have assembled to form a cyclic molecule that adopts the structure of a wheel. Th...

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Bibliographic Details
Published in:Inorganic chemistry 2006-10, Vol.45 (22), p.8823-8825
Main Authors: Papaefstathiou, Giannis S, Manessi, Anastasia, Raptopoulou, Catherine P, Terzis, Aris, Zafiropoulos, Theodoros F
Format: Article
Language:English
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Summary:Treatment of a methanolic solution of gallium(III) nitrate with lithium hydroxide in the presence of benzilic acid resulted in the decanuclear cluster [Ga(OMe)2{O2CC(OH)Ph2}]10 (1). The metal and the organic components have assembled to form a cyclic molecule that adopts the structure of a wheel. The 10 GaIII ions are approximately coplanar and are coordinated in a distorted octahedral manner by six oxygen atoms. The integrity of the molecular wheel is retained in solution, as evidenced by the 1NMR spectrum of 1 in DMSO-d 6, while no signal in the 71Ga NMR could be detected.
ISSN:0020-1669
1520-510X
DOI:10.1021/ic060997s