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

Table 3

Electronic spectral date of AATH and its metal complexes.

Compound	Transitions	µeff.
HAAT	35460 (π⟶π)Acen, 32890 (π⟶π)CO, 28570 (π⟶π)CN&CS, 25000 (n⟶π)CO, 22830 (n⟶π)CN, 21835 (n⟶π)CS	—
[Co(AAT) (OAc) (H2O)]	34970 (π⟶π)Acen, 32680 (π⟶π)CO, 27780 (π⟶π)CN&CS, 25380 (n⟶π)CO, 22320 (n⟶π)CN, 20410 (n⟶π)CN^2, 19160 (LMCT), 17010 ^4T1g(F)⟶^4T1g(P) (υ3), 15085 ^4T1g(F)⟶^4A2g(P) (υ2)	5.00
[Ni(HAAT) (OAc)2(H2O)]	34965 (π⟶π)Acen, 32260 (π⟶π)CO, 27935 (π⟶π)CN&CS, 25315 (n⟶π)CO, 22525 (n⟶π)CN, 21645 (n⟶π)CS, 20160 (LMCT), 19050 ^3A2g⟶^3T1g(F) (ν2), 14750 ^3A2g(F)⟶^3T2g(F) (ν1)	3.09
[Zn(HAAT) (OAc)2]	35210 (π⟶π)Acen, 32465 (π⟶π)CO, 27930 (π⟶π)CN&CS, 24390 (n⟶π)CO, 22420 (n⟶π)CN, 21740 (n⟶π)CS, 20750 (LMCT)	—