Spectroscopic Characterization and Biological Activity of Mixed Ligand Complexes of Ni(II) with 1,10-Phenanthroline and Heterocyclic Schiff Bases

Table 2

IR Absorption frequencies of Ternary Ni(II) Complexes.

Complex	𝜈 OH	𝜈 C=N	𝜈 C–O	Coordinated water	𝜈 M–O	𝜈 M–N
[Ni (1,10-phen) (MIIMP) (H2O)2]Cl	—	1616	1342	765	525	473
[Ni (1,10-phen) (CMIIMP) (H2O)2]Cl	—	1570	1340	785	510	424
[Ni (1,10-phen) (EMIIMP) (H2O)2]Cl	—	1582	1342	780	540	429
[Ni (1,10-phen) (MIIMNP) (H2O)2]Cl	—	1604	1344	780	535	417
[Ni (1,10-phen) (MEMIIMP) (H2O)2]Cl	—	1624	1343	765	525	473
[Ni (1,10-phen) (MMIIMP) (H2O)2]Cl	—	1620	1341	785	510	424
[Ni (1,10-phen) (BMIIMP) (H2O)2]Cl	—	1587	1342	779	540	429
[Ni (1,10-phen) (MIIBD) (H2O)2]Cl	—	1616	1344	780	535	417