Synthesis, Characterization, PXRD Studies, Theoretical Calculation, and Antitumor Potency Studies of a Novel N,O-Multidentate Chelating Ligand and Its Zr(IV), V(IV), Ru(III), and Cd(II) Complexes

Table 5

Thermal data (TGA\DTG) of the ligand and its Zr(IV), V(IV), Ru(III), and Cd(II) metal complexes.

Compound	Temp. range/°C; DTG	Temp. range/°C; TGA	Wt. loss (%); Calc. (F.)	Assignments
C15H15N3O4; residue	195, 456	197–391; >391	60.11 (60.31); 39.88 (39.68)	C7H5N2O4; complete decomp.
C15H17Cl2N3O8Zr2; residue	30, 340, 548	20–300; 300–540; >540	18.36 (18.90); 41.88 (41.10); 39.70 (40.00)	C4H6N2O2; C11H11Cl2NO2 Zr2O4
C30H34N6O20S2V2; residue	295, 380, 445	20–248; 248–453; >453	21.77 (21.73); 61.02 (61.11); 17.20 (17.12)	(SO4)2+H2O; C30H32N6O7; V2O4
C30H29Cl2N6O8Ru; residue	285, 743	25–215; 215–350; >350	9.17 (8.98); 18.36 (18.90); 25.99 (25.74)	Cl2 C23H29N6O8; RuO+7C
C15H15CdN5O10; residue	238, 257, 377	176–310; 332–515; >515	36.63 (36.51); 39.42 (39.34); 23.88 (24.09)	C7H7N3O4; C8H8N2O5; CdO