Metal Chelates of Sulfafurazole Azo Dye Derivative: Synthesis, Structure Affirmation, Antimicrobial, Antitumor, DNA Binding, and Molecular Docking Simulation

Table 4

Electronic absorption spectral results and μ_eff values of the metal complexes.

Compound	Wavelength (nm) in DMSO	Wavelength (nm) using Nujol mull technique	μ eff (B.M.)
H3PIBS	256, 267, 275, 395, 443	253, 328, 435	—
H2PIBS-Cu	378, 440, 524	254, 308, 355, 420, 524, 723	1.94
H2PIBS-Ni	383, 446, 517	278, 341, 373, 468, 679	3.32
H2PIBS-Co	318, 395, 439, 530	269, 329, 351, 449, 549, 692	4.39
H2PIBS-Fe	337, 395, 442, 530	275, 335, 465, 544 677	5.89
H2PIBS-Zn	275, 400, 439	272, 310, 322, 347, 390, 456, 502	Diamagnetic