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The dinuclear complex tris(2-aminoethyl)aminezinc(II)-μ-cyanothreecyanozincate(II) hemihydrate, [Zn(tren)Zn(μ-CN)(CN) 3 ]·0.5H 2 O ( 1 ) (tren = tris(2-aminoethyl)amine), has been synthesized and characterized by spectral (FT-IR and Raman), elemental, thermal analysis (TG, DTG and DTA) as well as single crystal X-ray diffraction techniques. The asymmetric unit is composed of two Zn(II) ions, one tren ligand, four cyanide ligands and a half crystal water molecule which is situated at the special position. Zn1 ion exhibits tetrahedral coordination geometry with four carbon atoms of four cyanide ligands. Zn2 ion is five-coordinated by five nitrogen atoms from one tren and one cyanide ligands in a trigonal bipyramid coordination geometry. The cyanide nitrogen is in the axial position. Adjacent dinuclear units are connected by hydrogen bonding interactions to form three dimensional network. The decomposition reaction takes place in the temperature range 30–700 °C in the static air atmosphere.

Dinuclear zinc(II) complex with tris(2-aminoethyl)amine ligand: synthesis, structure and properties