Research Article
Characteristic Studies of Hexamethylene Diamine Complexes
Table 1
Physical data of ligand (HBS) and corresponding metal complexes.
| Ligand/complex Mol. formula | (Yield) % M.wt |
Colour |
M.P. °C (L : M) | Elemental analyses (Found) Calc. % | C | H | N | M |
| L (HBS) C20H24N2O2 | (83.73) 324 | Yellow | 72 | (73.65) 74.07 | (7.77) 7.41 | (8.59) 8.64 | | 1-[Mn2(L)2(H2O)4] C40H52N4O8Mn2 | (43.64) 826.08 | Dark green | >300 (1 : 2) | (57.59) 58.10 | (5.76) 6.29 | (6.51) 6.77 | (12.67) 13.33 | 2-[Fe2(H2L)(NO3)6(H2O)2]6H2O C20H40N8O28Fe2 | (66.25) 952 | Reddish brown | >300 (1 : 2) | (24.6) 25.21 | (3.95) 4.20 | (10.9) 11.76 | (12.08) 11.76 | 3-[Co2(HL)2(NO3)2(H2O)2] C40H50N6O12Co2 | (30.23) 923.8 | Dark green | >300 (1 : 1) | (50.67) 51.95 | (5.35) 5.41 | (9.70) 9.09 | (13.08) 12.70 | 4-[Ni2(L)(NO3)2(H2O)6] C20H34N4O14Ni2 | (35.43) 671.4 | Green | >300 (1 : 2) | (36.12) 35.75 | (4.19) 5.05 | (8.76) 8.33 | (17.83) 17.49 | 5-[Cu2(HL)2(Ac)2(H2O)2] C44H56N4O10Cu2 | (47.00) 927.3 | Dark green | >300 (1 : 1) | (57.06) 56.95 | (5.94) 6.04 | (6.70) 6.04 | (13.80) 13.70 | 6-[Zn2(HL)2(Ac)2(H2O)2] C40H48N4O6Zn2 | (78.63) 930.8 | Yellowish white | >300 (1 : 1) | (57.55) 56.72 | (5.10) 6.01 | (6.24) 6.02 | (13.41) 13.85 |
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