Zinc(II) and copper(II) halide complexes of 2-(aminomethyl)aniline

Atkinson, E. C.; Bedford, C. P.; Le, T.-M.; Macek, L. O.; Walsh, C.; Dickie, D. A.; Turnbull, M. M. Zinc(II) and copper(II) halide complexes of 2-(aminomethyl)aniline. Polyhedron 2024, 260, 117102.

Abstract

The syntheses and structures of 2-(aminomethyl)aniline (2-AMAn) complexes of CuX2 and ZnX2 (X = Cl, Br) are reported: [(2-AMAn)ZnCl2] (1), [(2-AMAn)ZnBr2] (2), [(2-AMAn)2ZnCl2] (3), [(2-AMAn)2ZnBr2] (4), [(2-AMAn)2CuCl]Cl (5) and [(2-AMAn)2Cu(H2O)2]Br2 (6). Compounds 1 and 2 are isomorphous and crystallize in the monoclinic space group Ia with two coordinated halide ions and one chelating 2-AMAn ligand. Compounds 3 and 4 are also isomorphous and crystallize in the monoclinic space group P21/n with two monodentate 2-AMAn ligands and two coordinated halide ions. All four Zn(II) complexes are slightly distorted tetrahedral in geometry. The Cu(II) complexes are structurally distinct from the Zn(II) complexes. 5 crystallizes in the monoclinic space group P21/n and is strongly distorted square pyramidal in geometry with two chelating 2-AMAn ligands, one coordinated chloride ion and one dissociated chloride ion. The bromide compound, 6, crystallizes in the monoclinic space group P21/c, also with two chelating 2-AMAn ligands, but with two coordinated water molecules and both bromide ions dissociated in the lattice.

Last updated on 06/14/2024