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Synthesis and Characterization of the Zinc Amides: [EtZnL]2 and [ZnL2] (L = N,N‐dimethyl(N′‐trimethylsilyl)ethane‐1,2‐diaminate)
Authors:Jacinta M. Bakker  Glen B. Deacon  Peter C. Junk A/Prof.  Graeme J. Moxey  David R. Turner
Affiliation:1. Clayton, Victoria / Australia, Monash University, School of Chemistry;2. Clayton, Victoria / Australia, Monash University, School of ChemistrySchool of Chemistry, Monash University, Victoria 3800 / Australia, FAX: +61 (0)3 9905 4597
Abstract:The ligand N,N‐dimethyl(N′‐trimethylsilyl)ethane‐1,2‐diamine (HL) was treated with ZnEt2 in varying stoichiometric ratios to synthesize [EtZnL]2 and [ZnL2] complexes. Crystal data: [EtZnL]2, monoclinic, P21/n, a = 10.0149(5) Å, b = 8.0296(3) Å, c = 16.1689(8) Å, β = 91.715(2)°. [ZnL2], monoclinic, P21/n, a = 8.8457(3) Å, b = 15.4249(6) Å, c = 16.0121(7) Å, β = 92.656(1)°. The former complex is an amido nitrogen bridged dimer with distorted tetrahedral stereochemistry of the zinc atom and the latter is a distorted tetrahedral monomer based on amide/amine chelation.
Keywords:Zinc  Amides  Nitrogen donors  Crystal structures
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