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

Table 2

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

S. number	Complex	Mpt; °C	Colour	C	H	N	M	Cl	Mol Wt; gm	Remarks
				Observed (calculated) %
1	BHEH-L2; (C15H13N2O4)	215	Yellow	63.00; (63.18)	5.00; (4.91)	9.89; (9.82)	—	—	285.16	Loss of H
2	[Cu(BHEH)Cl]; CuC15H13N2O4Cl	305	Green	47.05; (47.36)	3.50; (3.42)	7.50; (7.37)	16.00; (16.72)	9.50; (9.35)	380.10	Loss of 4H
3	[Ni(BHEH)2]; NiC30H26N4O8	270	Red	57.00; (57.26)	4.20; (4.14)	8.77; (8.91)	9.50; (9.34)	—	628.70	Loss of 2H
4	[Co(BHEH)2]; CoC30H28N4O8	260	Brown	57.50; (57.61)	4.35; (4.48)	9.01; (8.96)	10.00; (9.43)	—	630.93	—
5	[Fe(BHEH)(H2O)Cl]2; Fe2C30H30N4O10Cl2	305	Black	45.55; (45.64)	4.35; (3.80)	7.23; (7.10)	14.52; (14.16)	9.50; (9.00)	788.70	Loss of 2H
6	[Mn(BHEH)2]; MnC30H26N4O8	285	Brown	58.00; (58.02)	3.93; (3.87)	9.00; (9.02)	10.00; (8.78)	—	620.50	Loss of 4H
7	[VO(BHEH)Cl]2; V2C30H26N4O10Cl2	300	Grey	44.20; (44.28)	3.29; (3.34)	7.25; (7.38)	12.86; (13.43)	9.20; (9.46)	758.88	Loss of 2C and 2H