Synthesis, Characterization, and Biological Evaluation of Some 3d-Metal Complexes of Schiff Base Derived from Xipamide Drug

Table 2

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

S. number	Ligand/complexes	𝑉N−H	𝑣C=N	𝑉C−O	𝑣C=O	𝑣M−N	𝑣M−O
1	C22H19N2O5ClS	3302	1639	1282	1671	—	—
2	C44H36N4O10Cl2S2Hg	3301	1598	1312	1669	514	615
3	C44H36N4O10Cl2S2Zn	3300	1623	1288	1681	514	580
4	C44H36N4O10Cl2S2VO	3300	1620	1281	1680	505	608