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Synthesis and characterization of ML and ML2 metal complexes with amino acid substituted bis(2-picolyl)amine ligands

Metal complexes with ML or ML2 stoichiometry have been isolated in the reaction of Zn(NO3)2, ZnBr2 or M(NO3)2 / NaBF4, M = Zn(II), Co(II) or Ni(II), with either amino acid or amine substituted tridentate nitrogen ligands based on bis(2picolyl)amine (bpa) or bis(2-quinaldyl)amine (bqa). The stoichiometry (M : L = 1:1 or 1:2) and stereochemistry (mer, transfac or cis-fac) of the products have been studied by NMR spectroscopy, X-ray single crystal analysis and quantum-chemical calculations with an implicit SMD solvation model.

bis(2picolyl)amine ; stereochemistry ; quantum-chemical calculations ; zinc complexes

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