Table 3. FT-IR Data of the Ligand and Its Zn(II) and Cu(II) Complexesa,b.
| Cpds. | ν(O–H) | ν(N–H) | ν(C–H) Arom. | ν(C–H) Aliph. | (C=O) Aldeh.y | ν(C=N) Ql. | ν(C–O) | ν(M–O) | ν(M–N) |
|---|---|---|---|---|---|---|---|---|---|
| H2L | 3361s,w (3709) | 3245b,w (3535) | 3035 (3103) | 2923w (3021) | 1679s (1678) | 1618s (1584) | 1079m (1047) | ||
| 1 | 3398 (3428) | 3065w (3125) | 2925m (3055) | 1642s (1679) | 1622s (1588) | 1056m (1085) | 598w (560) | 529w (482) | |
| 2 | 3689-3298b,s (3740) | 3290 (3400) | 3066w (3113) | 2926m (2952) | 1646s (1679) | 1562s (1586) | 1057s (1076) | 607m (576) | 544m (490) |
a
The B3LYP-GD3/6-311++G**/LanL2DZ-calculated results are presented in parenthesis.
b
s = strong, m = medium, str = stretching, b = broad, w = weak, Cpds. = Compounds.