Two new complexes, [Ni(HL1)(N3)(μ1,1N3)]2 (1) [HL1: NC5H4CH3C=NNH (C=O) NH2] and [Ni(L2)N3] (2) [HL2: NC5H4HC=N
NH(C=S)NH2], have been synthesized by reaction of Ni(OAC)2·4H2O and sodium azide with HL1 and HL2 and characterized by elemental analysis, FT-IR, and UV–vis spectral studies. Single-crystal X-ray diffraction reveals that 1
is dinuclear with nickel(II) in an octahedral environment of NNO donors of HL1, two nitrogens of azide bridges and one nitrogen of terminal azide; 2 is mononuclear containing nickel(II) in a distorted square-planar environment of NNS donors of HL2 and one terminal
azide. The structures of 1 and 2 have been optimized by density functional theory. The results of antimicrobial activities of ligands, 1 and 2 demonstrated that HL2 and 2 have good antimicrobial activity in contrast with HL1 and 1,
related to the presence of sulfur donor in HL2.
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Semicarbazone and thiosemicarbazone Schiff base;
Document Type: Research Article
Faculty of Chemistry, Department of Inorganic Chemistry, Tabriz University, Tabriz, Iran
Institute of Physics of the ASCR, v.v.i., Prague, Czech Republic
Departamento de Química Fundamental, Universidade da Coruña, Acoruña, Spain
Department of Chemistry, Indian Institute of Technology Kanpur, Kanpur, India
Publication date: June 18, 2014