Synthesis and Antimicrobial Studies of Tridentate Schiff Base Ligands with Pyrazolone Moiety and Their Metal Complexes

Table 2

FT-IR and UV-Vis spectral data of complexes (3a-b and 4a–h).

S No.	Code	IR (KBr) cm^−1			λmax (nm)
		C=N	C–O	M–L
1	3a	1621	1393	—	331, 282
2	4a	1601	1383	511, 478	413, 261
3	4b	1609	1384	507, 435	617, 399, 298
4	4c	1600	1382	501, 453	415, 285
5	4d	1594	1383	514, 460	531, 364, 291
6	3b	1623	1388	—	315
7	4e	1636	1355	513, 455	601, 399, 294
8	4f	1597	1377	511, 482	606, 483, 291
9	4g	1600	1382	507, 455	442, 291
10	4h	1593	1369	511, 461	541, 376, 301