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

Table 15

Predicted molecular formula, structure, and geometry from electronic spectra and magnetic moment data for Mn(II) complexes with L1-L2 ligands.

S. number	Molecular formula-electronic spectra^b bands, transitions^a,; predicted structure (a rough M–L sketch given), and geometry^a				BM
1	[Mn(BHFH)(H2O)Cl]2; Distorted Oh complex with Cl bridges, two –OH2, and two L1 with –O, –O, and –N coordination on the equatorial plane	27,030; 21,270; 19,610; 18,180	6A1g-4Eg, 4A1g (G); 6A1g · 4T2g (G); 6A1g · T1g (G); Oh high-spin geometry is predicted		5.44; M–M
2	[Mn(BHEH)2]; Oh complex with two L2 with –O, –O, and –N coordination	26,670; 17,240			5.92

Pappalardo [105]; ^brecorded for solid compounds (mull-diffuse reflectance) at room temperature—Figure 4.