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International Journal of Biomaterials
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International Journal of Biomaterials
/
2024
/
Article
/
Tab 3
/
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.
Compound
λ
max. (nm)
λ
max. (cm
−1
)
Assignment
Meff (B.M)
Geometry
L1 (HL)
259
38,610
π
⟶
—
—
—
L2 (AMPY)
280
35,714
n
⟶
—
—
—
V(III)
complex
488
20,492
3
T
1
(F) ⟶
3
T
1
(P)
2.88
320
31,250
n
⟶
266
37,594
π
⟶
Fe(III)
complex
489
20,450
4
T
1g
(D) ⟶
6
A
1g
5.96
463
21,598
4
T
2g
(G) ⟶
6
A
1g
390
25,641
4
T
2g
(G) ⟶
6
A
1g
300
33,333
n
⟶
267
37,453
π
⟶
Ni(II)
complex
470
21,277
3
A
2g
(F) ⟶
3
T
1g
(P)
2.92
303
33,003
n
⟶
260
38,462
π
⟶
BM = Bohr magneton.
=
octahedral.