Abstract

The ligand tris(1-propan-2-onyl oxime)amine (TRISOXH3) binds to zinc(II) acetate as a tridentate N3 donor, with a third oxime group remaining unbound and extending into the crystal lattice. The crystal structure shows a distorted trigonal bipyramidal geometry around the zinc center. An intramolecular hydrogen bonding interaction between a coordinated oxime donor and an oxygen of a bound acetate is observed. This structure is similar to that of a previously reported zinc(II) complex of a related bis(oxime)amine ligand. However, the structure of Zn(TRISOXH3)(OAc)2 is different in ligand coordination mode and metal coordination number from those of the previously reported complexes Ni(TRISOXH3)Cl2 or [Ni(TRISOXH3)(NO3)(H2O)]NO3.

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