Synthesis, Characterization, and DNA-Binding Kinetics of New Pd(II) and Pt(II) Thiosemicarbazone Complexes: Spectral, Structural, and Anticancer Evaluation

Table 1

Photophysical data for ligands (L1–L3) and complexes (C1–C4).

	FTIR	^1H-NMR	^13C-NMR	Absorption (ε x 10^4 LMol^−1 cm^−1)
	Imine (C = N)	Imine (CH = N)	Imine (C = N)	λmax (nm)
L1	1611	8.25	139.09	340 (0.53)
L2	1608	8.14	141.16	347 (0.64)
L3	1605	8.16	140.58	343 (0.61)
C1	1619	8.41	146.04	364, 382 (1.51, 1.34)
C2	1621	7.59	145.02	371, 390 (1.16, 1.09, 0.0557)
C3	1593	8.55	145.86	348, 363, 540 (1.30, 0.86, 0.0087)
C4	1608	7.96	142.98	348, 401, 555 (1.41, 1.31)