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. 1999 Dec 3;38(23):3486-3488.
doi: 10.1002/(sici)1521-3773(19991203)38:23<3486::aid-anie3486>3.3.co;2-k.

Re

M Bergamo  1 , T Beringhelli, G D'Alfonso, P Mercandelli, M Moret, A Sironi
Affiliations

Re

M Bergamo et al. Angew Chem Int Ed Engl. .

Abstract

A chair conformation comparable to that observed for six-membered rings composed of tetrahedral carbon atoms is found for the cluster anion [Re(6)(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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