Compound 0 >NH -OH >C=O C–O–C C–O C–O 0 -C–N M–N
Molecular Formula           Ether Alcohol      
C8 H11 N5 O3 ( L2) 3471, 3440, 1573 3302, 1541 3522 1715 1106 1183 1048 3183, 2927-2854 1346, 1308 -
C8H11N3O3S (L1) 3325, 3201 - 3179 1760 1281, 1160 1202 1040 - 1381 -
[Zn (L1) (L2)]3H2O - 3344 - 1695 1109 1175 1036 2916 1371 1328 410
[Cd (L1) (L2)]10H2O 3406 - - 1691 1107 - 1018 2293 1390 1364 1323 498
[Hg (L1) (L2)] 10H2O] - 3336 - 1673 1107 1180 1088 2922 1382 1318 493
Table 1B: Infrared spectra of the metal chelates (cm-1).