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Acta Cryst. (2003). E59, m207-m209  [ doi:10.1107/S1600536803006597 ]

Hexacarbonyldicobalt addition across the C[triple bond]C bond of the alkynethiolate ligand in the cluster [Ru3([mu]3,[eta]2-C[triple bond]CSiMe3)([mu]-SC[triple bond]CSiMe3)(CO)9]

E. Delgado, M. I. Alcalde, B. Donnadieu, E. Hernandez and J. Sanchez-Nieves

Abstract: The structure of the title compound, [mu]3,[eta]2-trimethylsilylethynyl-[mu]-trimethylsilylethynethiolato-pentadecacarbonyldicobalttriruthenium, [Ru3Co2([mu]3,[eta]2-C[triple bond]CSiMe3)([mu]-SC[triple bond]CSiMe3)(CO)15], consists of an open triangular Ru3 framework with the acetylide ligand [sigma]-bonded to one Ru atom and [pi]-bonded to the other two Ru atoms. Additionally, the SC[triple bond]CSiMe3 ligand, which has a Co2(CO)6 fragment coordinated to the C[triple bond]C bond, bridges the two terminal Ru atoms of the triangle to give a dimetallatetrahedrane structure.

Online 31 March 2003


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