Acta Cryst. (2009). E65, m391 [ doi:10.1107/S1600536809007971 ]
5-pentamethylcyclopentadienyl)cobalt(II)Abstract: The crystal structure of the title compound, decamethylcobaltocene, [Co(C10H15)2], has been determined. High-quality single crystals were grown from a cold saturated hexamethyldisiloxane solution. The structure is related to the manganese and iron analogs. The molecule has D5d symmetry, with the Co atom in a crystallographic 2/m position. The cobalt-centroid(C5) distance is 1.71Å and the centroid(C5)-Co-centroid(C5) angle is 180°, by symmetry.
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