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Bioinorganic Chemistry and Applications
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Bioinorganic Chemistry and Applications
/
2012
/
Article
/
Tab 3
/
Research Article
Spectroscopic, Thermal, and Antimicrobial Studies of Co(II), Ni(II), Cu(II), and Zn(II) Complexes Derived from Bidentate Ligands Containing N and S Donor Atoms
Table 3
Electronic spectral data (in DMF) and ligand field parameters of metal complexes.
Compound
Transitions (cm
−1
)
Dq
(cm
−1
)
B
(cm
−1
)
β
β
%
(BM)
Co(L
1
)
2
·2H
2
O
10599
22425*
20809
1182.6
762.4
2.11
0.78
22
4.20
Co(L
2
)
2
·2H
2
O
10913
23063*
20998
1215.0
754.8
2.11
0.77
22
4.11
Ni(L
1
)
2
·2H
2
O
9907
16226
24372
990.7
725.1
1.63
0.69
31
3.79
Ni(L
2
)
2
·2H
2
O
9933
16283
23415
993.3
659.9
1.63
0.63
37
3.73
Cu(L
1
)
2
17981
—
—
—
—
—
1.86
Cu(L
2
)
2
18121
—
—
—
—
—
1.92
*Calculated value.