Complexes of substituted benzothiazoles. 1. Cobalt(II), copper(II), and zinc(II) complexes of 2,2′-o-phenylenebisbenzothiazole; a potential N or S donor ligand
- 1 January 1979
- journal article
- Published by Canadian Science Publishing in Canadian Journal of Chemistry
- Vol. 57 (1) , 1-7
- https://doi.org/10.1139/v79-001
Abstract
A series of cobalt(II), copper(II), and zinc(II) complexes of the title ligand are reported. 1:1 complexes of cobalt and zinc, M(OBT)X2 (M = Co, Zn; X = Cl, Br, I, NCS), have four-coordinate pseudo-tetrahedral stereochemistries while for copper (X = Cl, Br), distorted square geometries are suggested. Six-coordinate 1:1 derivatives are also obtained for cobalt and copper, M(OBT)(NO3)2 (M = Co, Cu), while the 1:2 derivative Cu(OBT)2(ClO4)2-2H2O may be square planar. OBT appears to coordinate as an N2 donor in all cases. Preliminary X-ray data confirm a distorted square CuN2Cl2 structure for the copper chloride complex. Hydrogen bonded chloroform solvate molecules appear to be present in three cobalt complexes (X = Cl, Br, NCS).Keywords
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