IR bands cm−1

Schiff Base/Chelates

γ(M-N)

γ(HC=N)

γ(C=C)

δ(C-H)

γ(C-H)

γ(OH) Water

-

1620

1593

817,759

3001

3444

C28H32O2N2

524

1617

1593

818,756

2835

3421

C28H32N2O6 Cl8 Fe2

516

1616

1496

814,760

3267

3416

C28H36N4O14 Cr2