Wave number (cm-1) Corresponding link
3420 Absorbed water or hydroxyl group
1580-1709 Presence of organic molecules in (BTC)
1563 Aromatic C = C (BTC)
1436 and 744 In-plane tensile vibrations (C-H) and flexural vibrations (O-H)
476 Asymmetric tensile vibrations (Cu-O)
400-600 Octagonal and quadrilateral spinel (Ni2+, Fe3+)
526 Asymmetric tensile vibrations (Fe-O)