Characterization of Complexes Synthesized Using Schiff Base Ligands and Their Screening for Toxicity Two Fungal and One Bacterial Species on Rice Pathogens
Table 13
Electronic spectra and magnetic moment data for VO(II) complexes with L1–L6 ligands predicted molecular formula, structure, and geometry.
S. number
Molecular formula-electronic spectrab bands, transitionsa, predicted structure (a rough M–L sketch given), and geometrya
BM
1
[VO(BHFH)Cl]2 M–M complex with Cl bridges, V=O and two L1 with –O, –O, and –N coordination
28,006 18,270 13,330
2B2-2A1 2B2-2B1 2B2-2E Correspond to Oh symmetry with tetragonal distortion.
1.54 M–M
2
[VO(BHEH)Cl]2 M–M complex with Cl bridges, V=O and two L2 with –O, –O, and –N coordination
25,000 14,920 13,000
1.63 M–M
3
[VO(HAEP)(H2O)2] Distorted Oh complex, V=O, two –OH2, and L3 with –N, –O, and –S coordination on the equatorial plane
25,000 22,200 13,560
1.72
4
[VO(BFH)2(H2O)] Distorted Oh complex, V=O, –OH2, and two L4 with –N, –O coordination
25,000- 22,200 16,100
1.74
5
[VO(BHDH)(H2O)] Distorted Oh complex, V=O, –OH2, and L5 with –N, –O, –O, and –O coordination on the equatorial plane
25,800 15,380 13,150
1.71
6
[VO(DHA)2(H2O)] Distorted Oh complex, V=O, –OH2, and two L6 with –O, –O coordination on the equatorial plane
30,000 25,500 18,180
1.72
Lever [73]; Rana et al. [104]; bRecorded for solid compounds (mull-diffuse reflectance) at room temperature—Figures 1 and 2.