Organometallics p. 877 - 881 (1985)
Update date:2022-08-05
Topics:
Doyle
Eriksen
Van Engen
The reaction of L2CuCl with Co(CO)4- or Co(CO)3PR3- leads to the formation of binuclear Cu-Co complexes. Solution infrared data indicates that these complexes contain a single Cu-Co bond with no CO-Cu interaction. The solid-state spectra were similar except for that of (tmed)CuCo(CO)4 which exhibits a low-frequency band at 1820 cm-1. A single-crystal structural analysis of this material was undertaken. The molecule [(CH3)2NCH2CH2N(CH3) 2]CuCo(CO)4 crystallizes in the orthorhombic space group Pna21 with a = 16.681 (3) ?, b = 8.797 (1) ?, and c = 9.994 (1) ?. Full-matrix least-squares refinement with anisotropic temperature factors for the non-hydrogen atoms and fixed, isotropic thermal parameters for the hydrogens have converged to R = 0.051 and Rw = 0.053 for the 862 observed reflections. The Cu and Co are bonded at a distance of 2.38 ?. One of the carbonyl groups asymmetrically bridges the Cu-Co bond; the three remaining carbonyls are terminally bonded to the Co atom. The tmed molecule functions as a bidentate ligand on the Cu, which exhibits nearly planar coordination.
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(1983)Doi:10.1007/s11172-005-0146-2
(2004)Doi:10.1002/ejoc.201500506
(2015)Doi:10.1007/BF00899198
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(1949)Doi:10.1016/j.jorganchem.2005.08.026
(2005)