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Future Journal of Pharmaceutical Sciences

Table 2 Characteristic IR absorption (cm−1) of ligands L1, L2, and L3 and complexes 1, 2, and 3

From: Mono and binuclear cobalt(II) mixed ligand complexes containing 1,10-phenanthroline and adenine using 1,3-diaminopropane as a spacer: synthesis, characterization, and antibacterial activity investigations

Compound

ν(C=C)

ν(C=N)

ν(C-H)

ν(N-H)

ν(O-H)

ν(C-N)

L1

1581

1610

3043

-

3422

-

L2

1582

1605

2689

3290

-

1230

L3

-

-

2800

3350, 2950

-

1100

[Co(L1)2(HO)2]Cl2

1587

1626

3048

-

3425

-

[Co(L1)2(L2)(H2O)]Cl2

1607

1664

3118

Overlapped with OH

3442–3139

1383

[Co2(L1)4(L2)2(L3)]Cl4

1587

1632

3189

3450–3062

-

1387

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