Syntheses and characterization of trans-[NiL2(NCS)2][L=2-(aminomethyl) pyridine], trans-[NiL′2(NSC)2][L′=2-(2-aminoethyl)pyridine] and trans-[NiL2(NSC)2] [L=2-(2-methylaminoethyl)pyridine] complexes: X-ray single crystal structure of trans-[NiL′2(NSC)2] [L′=2-(2-aminoethyl)pyridine]

[NiL2(NCS)(2)] (1) [L = 2-(aminomethyl)pyridine], [NiL'(2)(NCS)(2)] (2) [(L') = 2-(2-aminoethyl)pyridine and [NiL ''(2)(NCS)(2)] (3) [L '' = 2-(2-methylaminoethyl)pyridine] have been synthesized from solution. All the complexes possess trans geometry as is evident from solid state UV-Vis spectral study and X-ray single crystal structure analysis of complex 2 unambiguously proves trans geometry of the species. (C) 2008 Elsevier B.V. All rights reserved.