The title complex Zn(HL)(NCS)2 (C14H18N4OS2Zn, Mr = 387.81, HL = N-(3-di-methyl-aminopropyl)-salicylaldimine) has been synthesized by the reaction of ZnSO4·7H2O with the Schiff base N-(3-dimethylaminopropyl)-salicylaldimine derived from the condensation reaction of 3-dimethylamino-1-propylamine with salicyladehyde. It crystallizes in the monoclinic system, space group P21/n with a = 9.8360(8), b = 14.930(1), c = 12.277(1) , ( = 101.455(2)o, V = 1767.0(3) 3, Z = 4, F(000) = 800, Dc = 1.458 g/cm3 and ((MoK() = 1.631 mm-1. The structure was refined to R = 0.0463 and wR = 0.1065 for 2681 observed reflections (I > 2((I)). Crystal analyses revealed that the Zn(II) atom is coordinated by two nitrogen atoms of two NCS-, and an oxygen atom as well as a nitrogen atom of amine from the neutral Schiff base ligand of N-(3-dimethyl-aminopropyl)-sali-cylaldimine to give a distorted tetrahedral geometry.
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