Synthesis Characterization and Antimicrobial Activity Studies of Some Transition Metal Complexes Derived from 3-Chloro-N′-[(1E)-(2-hydroxy phenyl)methylene]-6-methoxy-1-benzothiophene-2-carbohydrazide

Table 2

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

Compds	NH/NH	H/OH; H2O	C=O	C=N	Phenolic C–O	C–S–C	C–O–C	>C=N–N=C<	M–Cl	M–N	M–O
Ligand HL	3351	2901	1651	1618	1235	1518	1268	—	—	—	—
Cu-complex	3267	—	1618	1535	1302	1501	1268	—	—	448	564
Co-complex	3112	—	1635	1551	1317	1501	1268	—	—	445	545
Ni-complex	3351	—	1618	1560	1318	1518	1269	—	—	455	510
Zn-complex	—	—	—	1535	1318	1535	1268	1601	312	418	551
Hg-complex	—	—	—	1551	1318	1535	1268	1601	315	424	519
Mn-complex	3334	—	1618	1151	1314	1518	1270	—	—	415	505
Fe-complex	3317	3417	1585	1551	1302	1502	1268	—	314	427	516