Research Article

Characterization of Complexes Synthesized Using Schiff Base Ligands and Their Screening for Toxicity Two Fungal and One Bacterial Species on Rice Pathogens

Table 3

Elemental composition and physical data of HAEP ligand and its complexes.

S. number Complex Mpt
°C
ColourCHNMClMol Wt
gm
Remarks
Observed (calculated) %

1HAEP-L3
(C9H11N2O2S)
193Brown52.00
(52.18)
5.40
(5.31)
13.30
(13.52)
207.16Loss of NH2 and 2H

2[Cu(HAEP)]2
Cu2C18H18N6O4S2
310Brown40.00
(40.21)
3.50
(3.35)
15.50
(15.64)
24.00
(23.6)
537.22Loss of 2NH2 and 2OH

3[Ni(HAEP)2]
Ni2C18H18N6O4S2
305Brown39.00
(39.31)
3.50
(3.28)
15.30
(15.29)
21.00
(21.36)
549.52Loss of NH2

4[Co(HAEP)(H2O)2]2
Co2C18H26N4O8S2
295Brown35.70
(35.89)
4.30
(4.32)
9.30
(9.30)
20.00
(19.58)
601.86Loss of NH2 and 4H

5[Fe(HAEP)(H2O)Cl]2
Fe2C16H22N4O6Cl2S2
300Green30.50
(30.88)
3.51
(3.54)
8.91
(9.01)
18.00
(17.97)
11.00
(11.42)
621.70Loss of 2N, 2C; add 0.5H2O

6[Cr(HAEP)(H2O)Cl]2
Cr2C18H22N4O6Cl2S2
265Green35.00
(35.23)
4.21
(3.59)
9.00
(9.13)
15.50
(16.96)
10.25
(11.58)
613.12Loss of NH2

7[VO(HAEP)(H2O)2]
VC9H13N2O5S
310Grey34.50
(34.62)
3.20
(4.17)
8.99
(8.97)
15.74
(16.33)
312.00Loss of NH2