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Bis­[1,3-bis­(tri­methyl­silyl)­allyl]­cobalt(II), a stable electron-deficient allyl complex

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Abstract:

The title compound, bis­[(1,2,3-)-(2E)-1,3-bis­(tri­methyl­silyl)­prop-2-enyl]­cobalt(II), [Co(C9H21Si2)2], is a homoleptic allyl complex with 3-bound ligands. The Co—C distances range from 1.996 (3) to 2.096 (3) Å and the allyl ligands adopt staggered, nearly parallel, arrangements around the Co atom. The tri­methyl­silyl groups are in synanti conformations; the steric shielding they provide to the metal is probably responsible for the thermal stability of the compound.

Document Type: Research Article

DOI: http://dx.doi.org/10.1107/S0108270104020293

Publication date: October 1, 2004

bsc/ayc/2004/00000060/00000010/art00015
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