Table 4: The UV-vis data of HL and its complexes.
Compound | UV-vis data (nm) | |
MeOH | CH2Cl2 | |
HL | 232 (π–π∗), 325 (n–π∗), 440 (CT) | 230 (π–π∗), 328, 455 (CT) |
[Co(L)2(H2O)2] | 233 (π–π∗), 310 (n–π∗) | 230 (π–π∗), 300 (n–π∗) |
[Cu(L)(H2O)]CH3COO | 225 (π–π∗), 254 (π–π∗), 334 (n–π∗) | 231 (π–π∗), 260 (π–π∗), 335 (n–π∗) |
[Zn(L)(H2O)]CH3COO | 229 (π–π∗), 253 (π–π∗), 330 (n–π∗) | 230 (π–π∗), 260 (π–π∗), 320 (n–π∗) |
[Pd(HL)Cl2] | 234 (π–π∗), 310 (n–π∗) | 245 (π–π∗), 283 (n–π∗) |