A chair conformation comparable to that observed for six-membered rings composed of tetrahedral carbon atoms is found for the cluster anion [Re6(μ- H)5(CO)24]- (see picture; black spheres: Re, white spheres: μ-H; CO ligands omitted for clarity) in spite of the octahedral coordination at the Re centers. This is the first example of a carbonyl cluster exhibiting a cyclohexane-like geometry of the metallic framework.
[Re6(μ-H)5(CO)24]-: The first carbonyl cluster with a cyclohexane-like structure / M. Bergamo, T. Beringhelli, G. D'Alfonso, P. Mercandelli, M. Moret, A. Sironi. - In: ANGEWANDTE CHEMIE. INTERNATIONAL EDITION. - ISSN 1433-7851. - 38:23(1999), pp. 3486-3488.
[Re6(μ-H)5(CO)24]-: The first carbonyl cluster with a cyclohexane-like structure
M. Bergamo;T. BeringhelliSecondo
;G. D'Alfonso;P. Mercandelli;A. SironiUltimo
1999
Abstract
A chair conformation comparable to that observed for six-membered rings composed of tetrahedral carbon atoms is found for the cluster anion [Re6(μ- H)5(CO)24]- (see picture; black spheres: Re, white spheres: μ-H; CO ligands omitted for clarity) in spite of the octahedral coordination at the Re centers. This is the first example of a carbonyl cluster exhibiting a cyclohexane-like geometry of the metallic framework.
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