Spectroscopic, Thermal, and Antimicrobial Studies of Co(II), Ni(II), Cu(II), and Zn(II) Complexes Derived from Bidentate Ligands Containing N and S Donor Atoms

Table 4

Thermogravimetric data of Ni(L¹)₂·2H₂O and Cu(L¹)₂ complexes.

Compound	Decomposition stages and assignment	Temp. (°C)	% Weight loss found (Calcd.)
Ni(L^1)2·2H2O; [C14H12N10NiO8S2]	(1) Water molecules	50–190	6.9 (6.3)
	(2) Organic moiety	190–424	48.2 (48.6)
	(3) Triazoles moiety	424–750	34.5 (34.6)
Cu(L^2)2  [C14H8CuN10O6S2]	(1) Organic moiety	50–245	46.9 (46.3)
	(2) Triazole moiety	245–445	20.1 (20.9)
	(3) Triazole moiety	445–750	20.3 (20.9)