The syntheses and characterizations of two new amine oxime ligands are described. In addition, the crystal structure of the dihydrochloride salt of the previously reported 2-[ N-(4-aminobenzyl)amino-3-methyl-2-butanone oxime (aminobenzAO) is reported. This structure features a three-dimensional network of hydrogen bonds involving the amine and oxime groups, the chloride ions and the water molecule of crystallization. The crystal structure of the nickel(II) complex of this ligand, [Ni(aminobenzAO) 2]ClO 4, is reported. This structure features near square planar bonding of the two oxime nitrogen atoms and the two aliphatic amine nitrogen atoms to the nickel(II) atom with dangling aromatic amine groups. A strong intramolecular O---O hydrogen bond links the two cis oxime groups. Because of crystallization difficulty only a qualitative crystal structure of the rhodium(III) complex of the corresponding 4-nitrobenzyl ligand [Rh(nitrobenzAO) 2 Cl 2] is included. The octahedral structure is analogous to previously reported complexes with cis oxime nitrogen atoms, cis amine nitrogen atoms and trans chloride ligands.