Research Article

New Nanosized V(III), Fe(III), and Ni(II) Complexes Comprising Schiff Base and 2-Amino-4-Methyl Pyrimidine: Synthesis, Properties, and Biological Activity

Table 3

Absorption spectra of L1 and L2 ligands with their compounds and magnetic moments.

Compoundλ max. (nm)λ max. (cm−1)AssignmentMeff (B.M)Geometry

L1 (HL)25938,610π ⟶ 

L2 (AMPY)28035,714n ⟶ 

V(III) complex48820,4923T1 (F) ⟶ 3T1 (P)2.88
32031,250n ⟶ 
26637,594π ⟶ 

Fe(III) complex48920,4504T1g (D) ⟶ 6A1g5.96
46321,5984T2g (G) ⟶ 6A1g
39025,6414T2g (G) ⟶ 6A1g
30033,333n ⟶ 
26737,453π ⟶

Ni(II) complex47021,2773A2g (F) ⟶ 3T1g (P)2.92
30333,003n ⟶ 
26038,462π ⟶ 

BM = Bohr magneton. = octahedral.