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Bioinorganic Chemistry and Applications
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Special Issues
Bioinorganic Chemistry and Applications
/
2011
/
Article
/
Tab 1
/
Research Article
Metal-Based Biologically Active Compounds: Synthesis, Spectral, and Antimicrobial Studies of Cobalt, Nickel, Copper, and Zinc Complexes of Triazole-Derived Schiff Bases
Table 1
IR spectral data of the ligands and their metal complexes (cm
−1
).
Compound
ν
(N=CH)
ν
(C–S)
ν
(S–H)
ν
(OOCCH
3
)
ν
(H
2
O/OH)
ν
(M–S)
ν
(M–N)
HL
1
1595
—
2732
—
—
—
—
Co(L
1
)(OAc)·3H
2
O
1585
741
—
1744
3426
338
498
Co(L
1
)
2
·2H
2
O
1585
743
—
—
3488
334
494
Ni(L
1
)(OAc)·3H
2
O
1587
749
—
1742
3471
342
510
Ni(L
1
)
2
·2H
2
O
1588
733
—
—
3394
339
514
Cu(L
1
)(OAc)·H
2
O
1590
748
—
1744
3310
345
513
Cu(L
1
)
2
1589
750
—
—
—
348
491
Zn(L
1
)(OAc)·3H
2
O
1588
745
—
1750
3441
352
489
Zn(L
1
)
2
·2H
2
O
1585
748
—
—
3440
348
492
HL
2
1597
—
2703
—
—
—
—
Co(L
2
)(OAc)·3H
2
O
1585
733
—
1738
3294
344
485
Co(L
2
)
2
·2H
2
O
1586
741
—
—
3310
338
488
Ni(L
2
)(OAc) ·3H
2
O
1585
771
—
1744
3280
338
489
Ni(L
2
)
2
·2H
2
O
1587
755
—
—
3287
335
492
Cu(L
2
)(OAc)·H
2
O
1585
733
—
1746
3400
343
503
Cu(L
2
)
2
1586
733
—
—
—
348
503
Zn(L
2
)(OAc)·3H
2
O
1589
748
—
1740
3318
347
500
Zn(L
2
)
2
·2H
2
O
1589
771
—
—
3310
349
497