What absorbs at 3447 cm⁻¹ in an FTIR spectrum?
A band near 3447 cm⁻¹ can point to several functional groups. Below are the most likely assignments, ranked by how much published evidence supports each — every one traceable to literature (DOI) and cross-validated against our 130,000+ reference spectra and knowledge graph.
Backed by 6 cited sources
Attributions possibles de groupes fonctionnels
| Groupe fonctionnel | Faits à l＇appui | Sources citées | Confiance maximale |
|---|---|---|---|
| Hydroxyl (O-H) | 3 | 2 | 0,9 |
| N h | 2 | 2 | 0,9 |
| Water (H2O) | 1 | 1 | 0,9 |
| Carboxyl (COOH) | 1 | 1 | 0,9 |
Le classement reflète les preuves bibliographiques accumulées, et non une règle faisant autorité. Confirmez toujours dans le contexte de votre échantillon.
Bibliographie derrière ces attributions
-
Carboxyl (COOH) confiance 0,9
“Explicit assignment: '-COOH stretching bands were observed at ... 3447'”
Gao 等 - 2022 - Effective dispersion of oxidized multi-walled carb DOI: 10.1039/d2ra03592h -
N h confiance 0,9
“stretching vibration of N-H bonds”
Lu 等 - 2016 - Use of polyurea from urea for coating of urea gran DOI: 10.1186/s40064-016-2120-x -
Hydroxyl (O-H) confiance 0,9
“Assigned to O-H and N-H stretching vibrations.”
Mahiuddin 等 - 2020 - Green Synthesis and Catalytic Activity of Silver N DOI: 10.3390/nano10091777 -
Water (H2O) confiance 0,9
“Wide peak from absorption of H2O”
Ran 等 - 2014 - Molecular Mechanism of Nano-Hydroxyapatite Surface DOI: 10.14233/ajchem.2014.18110 -
confiance 0,9
“Text: 'bands around 3447 and 1633 that correspond to water adsorption by silanol groups'”
de Oliveira 等 - 2020 - Acetylation of Eugenol on Functionalized Mesoporou DOI: 10.3390/catal10050478 -
Hydroxyl (O-H) confiance 0,7
“Band at 3447 cm-1 assigned to O-H stretching based on context.”
Machadoa 等 - 2016 - Komagataeibacter rhaeticus as an alternative bacte DOI: 10.1016/j.carbpol.2016.06.049
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