Synthesis, Crystal Structure and Spectral Properties of [Fe3(2,2′-bipy)6(ox)3]·12.25H2O Complex

A novel iron (II) complex of formula [Fe3(2,2′-bipy)6(ox)3]·12.25H2O (2,2′-bipy = 2,2′-bipyridine, ox = oxalate) has been prepared and structurally characterized by X-ray crystallography. In the complex, the metal atoms are six-coordinated in distorted octahedral environment. In the complex [Fe(ox)3]4− anions and water molecules are linked together into 1D chain structure by hydrogen interaction. The red crystal of the complex is monoclinic, space group P21/c, with a = 22.932(6) Å, b = 13.715(4) Å, c = 22.493(6) Å, β = 93.177(5)°, and V = 7063(3) Å3 with Z = 4.