Add time:08/23/2019         Source:sciencedirect.com

Some zinc(II), cadmium(II) and mercury(II) complexes of 2-amino-5-methyl-1,3,4-thiadiazole (Matz or L) were prepared and studied by conductometric and i.r. methods: ZnL2X2 (X  Cl, Br, I, SCN, OAc), ZnL3A2 (A  NO3, ClO4), CdLX2 (X  Cl, Br, SCN), CdL2X2 (X  I, OAc), CdL6A2 (A  NO3, ClO4), HgL2X2 (X  Cl, Br), HgL1.5A2 (A  NO3, ClO4). The halide, thiocyanate and acetate ions are bonded to the metal. The ligand is coordinated through the exocyclic aminic nitrogen atom; in some of the complexes it may act as bridging NH2, N(ring)-bidentate or NH2—2N(ring)-tridentate ligand. The ligand hydrochloride LHCl has been prepared and its i.r. spectrum compared with those of the ligand and its complexes.

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