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Synthesis, characterization, and electronic structures of a methyl germyliumylidene ion and germylone-group VI metal complexes
B. Su, , Y. Li, R. Kinjo
Published in Royal Society of Chemistry
PMID: 26552365
Volume: 52
Issue: 3
Pages: 613 - 616
The reaction of germylone (L)Ge (1) [L = 3-Ad-1-{C(tBu) = N(Mes)}C3H4N2] with 1 equivalent of MeOTf afforded a germyliumylidene ion [(L)GeMe]+OTf- (2), while reactions with M(CO)5(thf) (M = Cr, Mo, W) gave the corresponding germylone-metal complexes [(L)Ge]M(CO)5 (3-5). The former possesses a pyramidal Ge center, whereas the latter display a planar geometry around the Ge atom. Computational studies showed a unique bonding interaction between 1 and the M(CO)5 unit, which involves a σ-donation as well as a weak π-back-donation. © The Royal Society of Chemistry 2016.
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