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| functional group and vibrational mode | reference wavenumber of the moieties (cm–1) | La-TMA MOF (cm–1) |
|---|---|---|
| O–H stretching vibration | >3500 (m, very broad) | 3442 (m, very broad) |
| C–H aromatic stretching vibration | 3000–3100 | 2908, 3001 (w) |
| C=C and | 1650–1690 | 1408, 1421 |
| C=O stretching vibration | 1660–1740 (vs) | 1577 (vs) |
| aryl C–H out-of-plane bending (or wag) vibration | 795–880 | 773 (s) |
