Preparation and Thermogravimetric and Antimicrobial Investigation of Cd (II) and Sn (II) Adducts of Mercaptopyridine, Amino Triazole Derivatives, and Mercaptothiazoline Organic Ligand Moieties
Table 2
Major infrared bands (cm−1) for 3amt and its Cd(II) and Sn(II) adducts.
3amt
CdCl2-(3amt)
CdCl2-2(3amt)
SnCl2-(3amt)
SnCl2-2(3amt)
Assignments
3398 s
3419 ms
3340 ms
3312 w
3349 vw
(N-H); NH2
3326 mw
3356 w
3310 vw
3316 mw
3258 vw
3182 mw
3213 w
3212 ms
3155 mw
3155 ms
(N-H); NH2
3131 w
3153 vw
1647 vs
1652 vs
1645 w, sh
1688 vs
1677 vs
δb(NH2)
1590 s
1573 w
1594 vs
1569 ms
1566 ms
ν(C=N)
1533 s
1537 s
1560 vs
ν(N=N)
1480 w
1479 vs
1418 s
1429 ms
1374 vs
1405 mw
1415 w
Ring breathing bands
1389 ms
1373 w
1339 ms
1326 s
1332 ms
1275 vs
1283 s
1248 vs
1257 ms
1263 w
ρr (NH2)
1217 vs
1250 vw
1213 ms
1125 vw
1125 ms
ν(C-N)
1219 vs
1144 vs
1144 w
1045 vs
1088 w
1083 vs
1048 s
1066 s
ρw (NH2)
945 vs
1057 s
1011 vs
951 vs
950 vs
991 s
873 vs
901 s
884 s
860 ms
867 s
ρt (NH2)
830 s
740 ms
747 sh
748 w, sh
773 ms
729 vs
693 vw
726 ms
644 vs
694 vs
642 ms
s = strong; w = weak; m = medium; sh = shoulder; v = very; br = broad; ν = stretching; δ = bending.
