Research Article

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.

2mcpCdCl2-(2mcp)CdCl2-2(2mcp)SnCl2-(2mcp)SnCl2-2(2mcp)Assignments

3458 ms, br3448 ms, br3421 ms, br3423 ms, brν(OH); H2O
3196 ms3172 ms3216 ms3073 vw
3126 ms3135 w
3087 s

2709 mwν(SH)
2537 mw

1576 vs1602 vs1585 vs1582 vs1578 vsRing breathing bands
1504 s1517 s1513 s1550 sh1551 sh
1446 ms1443 s1443 s1517 s1438 vs
1418 s1378 s1370 s1438 vs1366 w
1360 s

1275 ms1262 s1252 s1259 vs1262 sν(C=N); aromatic
1246 ms1160 ms1163 s1155 w, sh1179 vwδ(C-H); in-plane bend
1188 vs

1145 vs1134 vs1132 vs1131 s1136 sν(C-S); C – SH
1102 vw1111 vw1109 vw1080 ms1081 ms

s = strong; w = weak; m = medium; sh = shoulder; v = very; br = broad; ν = stretching; δ = bending.