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