Bioinorganic Chemistry and Applications / 2014 / Article / Tab 2 / Research Article
Antimicrobial Applications of Transition Metal Complexes of Benzothiazole Based Terpolymer: Synthesis, Characterization, and Effect on Bacterial and Fungal Strains Compound Observed frequencies (cm−1 ) BEF ligand BEF–Cu BEF–Ni BEF–Zn ν NH (asym. and sym.)3455−3297 3408–3296 3348–3295 3345–3280 ν NH (bending)1532 1527 1526 1521 CH (stretching) 2731 2697 2712 2725 ν CH2 (asym. and sym.)3078–2936 3093–2912 3098–2932 3087–2945 ν CH2 (bending in N–CH2 –CH2 –N)1450 1448 1449 1446 2,6,8-tri substitution (benzothiazole) 1296−825 1298–825 1293–827 1292–825 ν N→M— 432 433 433 ν C–NO2 1505–1518 1503–1576 1524–1575 1513–1583 ν C=N1540 1590 1586 1580 ν C–S–C740 753 763 748