Synthesis, Characterization, Antimicrobial, DNA Cleavage, and In Vitro Cytotoxic Studies of Some Metal Complexes of Schiff Base Ligand Derived from Thiazole and Quinoline Moiety
Table 4
Thermal data of Cu(II), Co(II) and Zn(II) complex.
Complex
Decomposition temp. (°C)
Weight loss (%)
Metal oxide (%)
Inference
Obsd.
Calc.
Obsd.
Calc.
[Cu(C20H15N5OS2)(Cl2)]
237.6
11.96
12.99
—
—
Loss due to two chlorine atoms
291
11.41
12.37
—
—
Loss due to NCS species
341
47.96
47.01
—
—
Loss due to C9H7 molecule of quinoline and C6H6 molecule of thiazole moiety
Up to 493
—
—
15.92
15.65
Loss due to remaining organic moiety
[Co(C20H15N5OS2)(Cl2)]
258
9.66
10.86
—
—
Loss due to NCS species
320
22.22
21.43
—
—
Loss due to C8H6 molecule of quinoline moiety
458
78.02
76.75
—
—
Loss due to C9H7N2S of thiazole moiety, two chlorine atoms and HC=N–NH group
Up to 697
17.15
17.56
Loss due to remaining organic moiety
[Zn(C20H15N5OS2)(Cl2)]
270
28.71
27.57
—
—
Loss due C
6
H
7
species of thiazole and two chlorine atoms
320
51.58
50.58
—
—
Loss due to C
10
H
6
NS molecule of quinoline and CH=CH molecule of thiazole moiety