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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