Hydrothermal synthesis, crystal structure and magnetic property of oxalate-bridged iron 1D chain coordination polymer

Abstract

A novel oxalate-bridged iron coordination polymer, Fe2(phen)2(C2O4)2(1) has been hydrothermally synthesized and characterized by elemental analyses, IR spectrum, TGA-DTA analysis, and single-crystal X-ray diffraction. Compound (1) crystallizes in the monoclinic system, space group P2(1), the final R is 0.0486. The tetradentate-chelating coordination mode of oxalate anion creates an infinite 1D iron (II) oxalate chain structure and from which a 2D network is constructed by π–π interactions of phen rings. The temperature-dependent magnetic susceptibility measurement indicates the existence of a weak antiferromagnetic coupling between FeII ions.