Synthesis, Characterization, Antimicrobial, DNA Cleavage, and Antioxidant Studies of Some Metal Complexes Derived from Schiff Base Containing Indole and Quinoline Moieties

Table 2

The IR data of ligand HL and its complexes (cm⁻¹).

Compounds	𝜈NH/NH	𝜈C=O	𝜈H2O	𝜈C=N	Pyridine ring	𝜈M--O	𝜈M--N	𝜈M--Cl
HL	3311, 3229, 3162	1674, 1661	—	1608	—	—	—	—
Cu complex	3283, 3221	1639, —	3418	1548	1493, 1077, 615	514	442	—
Co complex	3271, 3230	1629, —	3423	1551	1489, 1061, 670	553	435	—
Ni complex	3305, 3218	1638, —	3430	1555	1478, 1063, 621	477	450	—
Zn complex	3305, 3218	1634, —	3420	1557	1489, 1066, 615	470	425	357
Cd complex	3293, 3221	1637, —	3423	1550	1425, 1059, 699	469	419	350
Hg complex	3295, 3230	1664, —	—	1560	1420, 1060, 640	550	428	352

HL = ligand.