Table 1:
The infrared spectra for ligand (L) and its complex.
L
Complex
ν
(OH)
3730
—
ν
(NH)
3310
3348
ν
(CH)
Aromatic
3043, 2949
3039, 2958
ν
(CH)
Aliphatic
2915, 2845
2920, 2855
ν
(C⚌N)
1600
1606
δ
(NH)
1525
1537
ν
(Sn─O)
—
586
ν
(Sn─N)
—
528