Research Article
Characteristic Studies of Hexamethylene Diamine Complexes
Table 2
Important IR bands of HBS ligand and its complexes (1–6) with their assignments.
| | Ligand/complex | | aromatic | sym./aysm. | | | | | | |
| | L (HBS) | 3445 (br) | 3061 (w) | 2931 (m)
2897 (w) | 1631 (v.s) | 1162 (w) | — | — | — | — | | 1-[Mn2(L)2(H2O)4] | 3399 (br) | 3052 (v.w) | 2927 (m)
2856 (w) | 1608 (v.s) | 1145 (m) | 454 (v.w) | 407 (w) | — | — | | 2-[Fe2(H2L)(NO3)6(H2O)2]6H2O | 3356 (br) | — | 2919 (w)
2851 (w) | 1629 (m) | 1047 (w) | 581 (v.w) | 427 (m) | 1382 (s)
1047 (w)
837 (w) | — | | 3-[Co2(HL)2(NO3)2(H2O)2] | 3425 (br) | 3056 (v.w) | 2924 (m)
2854 (w) | 1614 (v.s) | 1139 (w) | 586 (w) | 463 (v.w) | 1320 m
1028 (w)
850 (w) | — | | 4-[Ni2(L)(NO3)2(H2O)6] | 3424 (br) | — | 2925 (m)
2856 (w) | 1616 (s) | 1142 (w) | 462 (w) | 395 (w) | 1323 (w)
1039 (w)
754 (w) | — | | 5-[Cu2(HL)2(Ac)2(H2O)2] | 3446 (br) | 3020 (v.w) | 2919 (m)
2849 (w) | 1624 (v.s) | 1147 (m) | 522 (w) | 470.(w) | — | 1535 (s)
1347 (w) | | 6-[Zn2(HL)2(Ac)2(H2O)2] | 3418 (br) | 3011 (v.w) | 2922 (m)
2850 (m) | 1622 (v.s) | 1188 (m) | 457 (w) | 411 (m) | — | 1535 (s)
1347 (w) |
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