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Reactions between 8-quinolinol (and related ligands) and triruthenium dodecacarbonyl; x-ray crystal structure determination of Ru3(CO)8(C9H6NO)2

Authors
Journal
Journal of Organometallic Chemistry
0022-328X
Publisher
Elsevier
Publication Date
Volume
222
Issue
2
Identifiers
DOI: 10.1016/s0022-328x(00)89158-5

Abstract

Abstract 8-Quinolinol reacts with Ru 3(CO) 12 to give Ru 3(CO) 8(C 9H 6NO) 2 and Ru- (CO) 2(C 9H 6NO) 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 (RuO distances 2.12 and 2.18 Å), the cluster is a fifty-electron species with a formal zero bond order for the elongated RuRu bond. Four other hydroxyhydrocarbylpyridine compounds also give complexes of composition Ru 3(CO) 8(L) 2 which probably have analogous structures.

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