Abstract
A new trinuclear Cu(II) complex with sulfosalicylic acid(H3hssal) and 2,2’-bipyridine(bipy), [Cu3(hssal)2(bipy)2 (H2O)2]·6H2O (1), has been synthesized and characterized by elemental, FT-IR and thermal analysis. The molecular structure of trinuclear complex has been determined by the single crystal X-ray diffraction technique. The crystal is of monoclinic system, space group P21/c with a = 8.6362(10) Å, b = 14.8632(17) Å, c = 15.9582(17) Å, β = 98.186(2), Mr = 1077.42, Z = 2, V = 2027.5(4) Å3, F(000) = 1098, Dc = 1.765 g/cm3, and μ = 1.751 mm−1. The Cu1(II) ion is coordinated by two oxygen atoms from one hssal3- anion and two nitrogen atoms from one 2,2’-bipyridine molecule, forming an irregular parallelogram geometry, while Cu2(II) center is coordinated by four oxygen atoms, from two carboxylate groups and two terminal water molecules, forming a distorted square planer coordination geometry. The three-dimensional structure is generated by C-HO and O-HO hydrogen bonding interactions. The thermogravimetric behavior, fluorescent property and cyclic voltammetry of complex 1 have been investigated.
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