Synthesis, structural characterization, and properties of a Cd(II) complex with a carboxylate- and benzimidazolyl-containing ligand

Abstract

The hydrothermal reaction of cadmium salt with 3,5-bis(benzimidazol-1-ylmethyl)benzoic acid (HL) forms a new complex [Cd(L)2] · 3H2O (I). This complex has been characterized by single-crystal X-ray diffraction, IR, elemental and thermogravimetric analyses and shows 3D flu framework structure with 2-nodal (3,6)-connected (42.6)2(44.62.89) topology. Luminescent property of I was investigated. Moreover, single crystals of HL were obtained accidentally in the hydrothermal reaction of the HL with MnSO4 at 160°C, and its crystal structure has been characterized by single-crystal X-ray diffraction (CIF files CCDC nos. 1020274 (HL) and 1020275 (I)).