Spectral, Molecular Modeling, and Biological Activity Studies on New Schiff’s Base of Acenaphthaquinone Transition Metal Complexes

Table 1

Analytical and physical data of HAAT and its complexes.

Compound (mol. formula; Wt.)	Color	m.p. (°C)	Elemental analyses; found (calcd.)				Λm
			C	H	N	M
HAAT (C16H13N3OS; 295.36)	Orange	195	65.22 (65.07)	4.64 (4.44)	14.08 (14.23)	—	—
[Co(AAT) (OAc) (EtOH)] (C20H21N3O4SCo; 458.40)	Dark brown	210	52.12 (52.40)	4.38 (4.62)	8.97 (9.17)	12.73 (12.86)	9.8
[Ni(HAAT) (OAc)2(H2O)] (C20H21N3O6SNi; 490.16)	Brown	220	48.74 (49.01)	4.11 (4.32)	8.33 (8.57)	12.01 (11.97)	10.2
[Zn(HAAT) (OAc)2] (C20H19N3O5SZn; 478.38)	Brownish yellow	230	49.93 (50.17)	3.89 (4.00)	8.45 (8.78)	13.39 (13.65)	10.3

Measured in DMSO Ω⁻¹·cm²·mol⁻¹.