Preparation and Thermogravimetric and Antimicrobial Investigation of Cd (II) and Sn (II) Adducts of Mercaptopyridine, Amino Triazole Derivatives, and Mercaptothiazoline Organic Ligand Moieties
Table 3
Major infrared bands (cm−1) for 4amt and its Cd(II) and Sn(II) adducts.
4amt
CdCl2-(4amt)
CdCl2-2(4amt)
SnCl2-(4amt)
SnCl2-2(4amt)
Assignments
3312 w
3467 ms
3303 s
3417 w
3418 w, br
(N-H); NH2
3368 ms
3258 vw
3317 ms
3277 w, br
3307 ms
3197 w
3199 s
3198 s
3127 ms
3129 w, br
(N-H); NH2
3139 w
3136 s
3105 s
1647 vs
1618 vs
1618 vs
1623 vs
1685 w
δb(NH2)
1533 s
1543 s
1537 s
1539 ms
1631 vs
1529 s
1475 ms
1474 mw
1470 w
1465 vw
1465 vw
Ring breathing bands
1404 s
1398 s
1394 w
1402 vw
1412 vw
1341 s
1346 w
1366 vw
1363 vw
1318 vw
1323 vw
1188 s
1209 s
1209 ms
1207 ms
1205 s
ρr (NH2)
1074 s
1145 vw
1078 s
1164 vw
1075s
ν(C–N)
1082 vs
1135 vw
1075 s
1016 vw
1025 s
1015 s
1034 s
1033 s
ρw (NH2)
959 ms
980 vs
984 ms
934 ms
935 ms
873 s
908 w
894 ms
871 ms
875 ms
ρt (NH2)
672 w
874 s
845 vw
690 w, sh
661 ms
689 ms
686 ms
s = strong; w = weak; m = medium; sh = shoulder; v = very; br = broad; ν = stretching; δ = bending.
