Preparation and Thermogravimetric and Antimicrobial Investigation of Cd (II) and Sn (II) Adducts of Mercaptopyridine, Amino Triazole Derivatives, and Mercaptothiazoline Organic Ligand Moieties
Table 5
Major infrared bands (cm−1) for 2mcp and its Cd(II) and Sn(II) adducts.
2mcp
CdCl2-(2mcp)
CdCl2-2(2mcp)
SnCl2-(2mcp)
SnCl2-2(2mcp)
Assignments
—
3458 ms, br
3448 ms, br
3421 ms, br
3423 ms, br
ν(OH); H2O
3196 ms
3172 ms
3216 ms
3073 vw
3126 ms
3135 w
3087 s
2709 mw
—
—
—
—
ν(SH)
2537 mw
1576 vs
1602 vs
1585 vs
1582 vs
1578 vs
Ring breathing bands
1504 s
1517 s
1513 s
1550 sh
1551 sh
1446 ms
1443 s
1443 s
1517 s
1438 vs
1418 s
1378 s
1370 s
1438 vs
1366 w
1360 s
1275 ms
1262 s
1252 s
1259 vs
1262 s
ν(C=N); aromatic
1246 ms
1160 ms
1163 s
1155 w, sh
1179 vw
δ(C-H); in-plane bend
1188 vs
1145 vs
1134 vs
1132 vs
1131 s
1136 s
ν(C-S); C – SH
1102 vw
1111 vw
1109 vw
1080 ms
1081 ms
s = strong; w = weak; m = medium; sh = shoulder; v = very; br = broad; ν = stretching; δ = bending.