Co(III), Ni(II), Zn(II) and Cd(II) complexes with 2-acetyl-2-thiazoline thiosemicarbazone: Synthesis, characterization, X-ray structures and antibacterial activity

► HATtsc ligand acts as a N2S tridentate ligand with metal ions. ► HATtsc as ligand presents a thiolate form or a thione form, as it was in free ligand. ► Cadmium complexes have the best antimicrobial activity against microorganisms.