Bioinorganic Chemistry and Applications / 2015 / Article / Tab 3

Research Article

Synthesis, Characterization, Antioxidant, and Antibacterial Studies of Some Metal(II) Complexes of Tetradentate Schiff Base Ligand: (4E)-4-[(2-(E)-[1-(2,4-Dihydroxyphenyl)ethylidene]aminoethyl)imino]pentan-2-one

Table 3

Electronic absorption data and assignments of Schiff base ligand [H2LL] and its metal complexes.

CompoundsElectronic transition, (nm, DMF)Band assignments

H2LLC15H19N2O3317, 381,
Cu(LL)C15H18N2O3Cu309, 360, 393, 556, L → M (LMCT), 2B1g2A1g
Ni(LL)C15H18N2O3Ni288, 308, 394, 436, 564, L → M (LMCT), 1A1g1A2g, 1A1g1B1g
Co(LL)C15H18N2O3Co281, 382, 552, L → M (LMCT), 4A2 (F) → 4T1 (P)
Zn(LL)C15H18N2O3Zn319, 361, 411, , L → M (LMCT)

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