Synthesis, Characterization, and In Vitro Cytotoxic Activities of Benzaldehyde Thiosemicarbazone Derivatives and Their Palladium(II) and Platinum(II) Complexes against Various Human Tumor Cell Lines

Table 3

Selected bond angles (^°) for the HL⁴ ligand and the Pd(L²)₂ and Pt₄ (L⁴)₄ complexes.

	HL^4	Pd(L^2)2	Pt4 (L^4)4
N2–N1–C8	115.0(3)		118.5(7)
N1–N2–C1	119.8(3)		113.4(7)
C1–N3–C2	127.7(3)		127.6(8)
S1–C1–N2	118.7(2)		124.8(7)
S1–C1–N3	126.1(2)	117.4(2)	114.4(7)
N2–C1–N3	115.2(3)		120.7(8)
N1–C8–C9	121.8(3)		115.0(8)
N2–N1–C1		113.5(2)
N1–N2–C2		116.5(2)
S1–C1–N1		125.3(2)
N1–C1–N3		117.3(2)
N2–C2–C3		131.6(2)
S1–Pd1–N2		82.8(1)
S–Pt–N1			83.1(2)
N1–Pt–C10			80.9(3)
C10–Pt-S^′			94.8(3)
S–Pt–S^′			101.5(1)
Pt–S1–S1			93.6(3)
Pt–N1–N2			124.2(5)
Pt–N1–C8			117.2(6)