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Reaction of the Alkylindium(I) Compound In4[C(SiMe3)3]4 with Octacarbonyldicobalt: Bridging of the CoCo Bond by one or two InC(SiMe3)3 Groups

✍ Scribed by Uhl, Werner ;Keimling, Sven Uwe ;Hiller, Wolfgang ;Neumayer, Markus

Publisher: Wiley (John Wiley & Sons)
Year: 1996
Tongue: English
Weight: 460 KB
Volume: 129
Category: Article
ISSN: 0009-2940
DOI: 10.1002/cber.19961290406

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✦ Synopsis

Tetraindane(4) / Indium(1) / Co-Co bond I Indium alkyl bridge tetrahedro-Tetrakis[tris(trimethylsilyl)methyl]tetraindane(4) of the oxygen atom of the bridging carbonyl group to the (1) reacts with octacarbonyldicobalt to yield two products, coordinatively unsaturated In atom of a second molecule depending on the stoichiometric ratio of the starting com-across a center of symmetry. Another compound (3) is formed pounds: By replacement of one bridging carbonyl group a by the replacement of both bridging carbonyl ligands, which dicobalt monoindium derivative 2 is formed, which contains exhibits a strongly distorted Co,In, tetrahedron with normal a Co-Co bond [256.81(5) pm] bridged by one carbonyl and Co-In bond lengths of 253.44(6) pm, but long Co-Co one monoalkylindium group. While 2 is a monomer in ben-[280.14(6) pm] and In-In distances [336.18(6) pm]. zene solutions, it dimerizes in the solid state by an interaction

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