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Metal chelates of α-diimines containing a benzothiazole moiety. II. Complexes of cobalt(II), nickel(II), and copper(II) with 2-(6-methyl-2-pyridyl)benzothiazole

Authors
Journal
Inorganica Chimica Acta
0020-1693
Publisher
Elsevier
Publication Date
Volume
2
Identifiers
DOI: 10.1016/s0020-1693(00)87078-4
Disciplines
  • Physics

Abstract

Abstract 2-(6-methyl-2-pyridyl)benzothiazole (mpbt) acts as a bidentate ligand coordinating through both nitrogen atoms. Cobalt(II) forms the tetrahedral complexes CoX 2mpbt (X = Cl, Br, I) and the polymeric five-coordinate complex Co(SCN) 2mpbt. Nickel(II) forms the tetragonal complexes NiX 2mpbt (X = Cl, Br, I) and the octahedral complex Ni(SCN) 2(mpbt) 2. The copper(II) complexes CuX 2mpbt (X = Cl, Br, SCN) are considered to be five- or six-coordinate in the solid state. The five-coordinate complexes [Cu(mpbt) 2ClO 4]ClO 4.nH 2O (n = 0,2) and [Cu(mpbt) 2Cl]ClO 4 were also isolated. The complexes Co(SCN) 2mpbt and Cu(SCN) 2mpbt are antiferromagnetic. The steric effect of the methyl group of mpbt on the spectra of the complexes is discussed.

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