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Acta Cryst. (2012). E68, m1425
[ doi:10.1107/S1600536812044121 ]

Di-[mu]-sulfido-bis{[rac-1,2-bis([eta]5-4,5,6,7-tetrahydroinden-1-yl)ethane]zirconium(IV)} toluene monosolvate

M. Haehnel, K. Altenburger, A. Spannenberg, P. Arndt and U. Rosenthal

Abstract: The title dimeric zirconium complex, [Zr2(C20H24)2S2]·C7H8, was obtained from the reaction of (ebthi)Zr([eta]2-Me3Si-C2-SiMe3) [ebthi is rac-1,2-bis([eta]5-4,5,6,7-tetrahydroinden-1-yl)ethane] and S=C=N-ada (ada = adamantan-1-yl) along with the formation of the isonitrile C[triple bond]N-ada. Each ZrIV atom is coordinated by the sterically hindered ebthi ligand and two [mu]-sulfide ligands in a strongly distorted tetrahedral geometry. The [ZrS]2 unit is almost planar (mean deviation from the best plane of the four atoms = 0.025 Å). A -CH2-CH2- group in one ebthi ligand was disordered over two sites, with refined occupancy factors of 0.551 (6) and 0.449 (6). The asymmetric unit also contains a toluene solvent molecule.


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