The synthesis and properties of some organometallic compounds containing group IV (Ge, Sn)-group II (Zn, Cd) metal---metal bonds
Publication date
1972-11-01
Authors
Des Tombe, F.J.A.
Kerk, G.J.M. van der
Creemers, H.M.J.C.
Carey, N.A.D.
Noltes, J.G.
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Article
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Abstract
The reactions of triphenylgermane and triphenyltin hydride with coordinatively saturated organozinc or organocadmium compounds give organometallic complexes containing Group IV (Ge, Sn)-Group II(Zn, Cd) metal---metal bonds. The 2,2′-bipyridine complexes show solvent-dependent charge-transfer absorptions in the visible region. The occurrence of charge transfer may account for the observation that the metal-metal stretching frequencies of the Bipy complexes are consistently lower than those of the corresponding TMED complexes.