Synthesis, supramolecular structure and thermal study of a new dinuclear zinc(II) complex derived from benzene-1,2,4,5-tetracarboxylic acid

Abstract

Abstract Reaction of benzene-1,2,4,5-tetracarboxylic acid (H4L) with Zn(II) salt in DMF/MeOH leads to the formation of the new (μ2-benzene-1,2,4,5-tetracarboxylato-O,O′)-hexaaqua-dizinc(II)-dihydrate complex [Zn2L(H2O)6]·2H2O (1) (L = benzene-1,2,4,5-tetracarboxylate). Crystal structure analysis reveals that each tetracoordinated zinc(II) center adopts a distorted tetrahedral geometry occupied by one Ocarboxylate and three Owater atoms. A 3D supramolecular associate in the crystal lattice of 1 has been stabilized by a number of non-covalent interactions (O–H···O). Topology of the H-bonded 3D network has been also analyzed.