Reactions between 8-quinolinol (and related ligands) and triruthenium dodecacarbonyl; x-ray crystal structure determination of Ru3(CO)8(C9H6NO)2 |
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| Authors: | JA Van Doorn PWNM Van Leeuwen |
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| Institution: | Koninklijke/Shell-Laboratorium, Amsterdam, (Shell Research B.V.), Badhuisweg 3, Amsterdam The Netherlands |
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| Abstract: | 8-Quinolinol reacts with Ru3(CO)12 to give Ru3(CO)8(C9H6NO)2 and Ru- (CO)2(C9H6NO)2. A single-crystal X-ray study of the cluster compound shows that the three ruthenium atoms define an isosceles triangle, with two distances of 2.77 Å and one of 3.04 Å. Since both metalated oxygens act as three-electron donors (RuO distances 2.12 and 2.18 Å), the cluster is a fifty-electron species with a formal zero bond order for the elongated RuRu bond. Four other hydroxyhydrocarbylpyridine compounds also give complexes of composition Ru3(CO)8(L)2 which probably have analogous structures. |
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