Co(II) and Ni(II) complexes Schiff base, N-(2-thienylmethylene)-2-aminothiadiazole have been prepared and characterized by their physical, spectral and analytical data. The title Schiff-base acts as NNS donor tridentate during the complexation reaction with these metal ions having a composition, [M(L)2]Xn
where
M=Co(II) or Ni(II), L=, X=NO3−
, SO42−
, C2O42−
or CH3CO2−
and n=1 or 2 and show an octahedral geometry.
In order to evaluate the effect anions upon chelation, the Schiff-base and its new complexes have been
screened for their antibacterial activity against bacterial strains e.g., Escherichia coli, Staphylococcus aureus, and Pseudomonas aeruginosa.