Preparation and Thermogravimetric and Antimicrobial Investigation of Cd (II) and Sn (II) Adducts of Mercaptopyridine, Amino Triazole Derivatives, and Mercaptothiazoline Organic Ligand Moieties
Table 4
Major infrared bands (cm−1) for 2mct and its Cd(II) and Sn(II) adducts.
2mct
CdCl2-(2mct)
CdCl2-2(2mct)
SnCl2-(2mct)
SnCl2-2(2mct)
Assignments
2852 w
3258 s
3258 s
3443 s, br
3447 ms, br
(C-H); –CH2
2948 vw
3136 ms
3206 ms
3207 w
(O-H); H2O
2998 w
3144 vw
3136 w
2947 w
2997 w
2997 w
2844 w
2929 w
2848 vw
2845 w
2709 mw
—
—
—
—
ν(SH)
2565 mw
1518 vs
1515 vs
1515 vs
1539 vs
1539 w, sh
ν(C=N)
1514 s
Ring breathing bands
1260 w
1308 s
1305 s
1307 s
1294 s
(C-N)
1217 w
1250 vw
1249 w
1253 w
1250 vw
(C-N) + ν(C-C)
1160 w
1192 ms
1193 s
1208 w
1205 vw
ν(C-S); C – SH
1102 s
1142 w
1045 vs
1167 w
1041 s
1045 vs
1038 s
s = strong; w = weak; m = medium; sh = shoulder; v = very; br = broad; ν = stretching; δ = bending.
