What absorbs at 3363 cm⁻¹ in an FTIR spectrum?
A band near 3363 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 | 3 | 0,9 |
| N h | 1 | 1 | 0,8 |
| Carboxyl (COOH) | 1 | 1 | 0,7 |
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
-
Hydroxyl (O-H) confiance 0,9
“Text: 'The peak at 1632 and 3363 corresponds to the stretching vibration of O-H'”
Sagayaraj 等 - 2021 - Microstructure and magnetic properties of Cu0.5Co0 DOI: 10.1007/s00339-021-04653-z -
Hydroxyl (O-H) confiance 0,9
“Explicit assignment: 'due to OH vibrations were observed for all the samples at 3234, 3303, and 3363'”
Sanna 等 - 2013 - Investigation of the hydrozincite structure by inf DOI: 10.2138/am.2013.4158 -
Hydroxyl (O-H) confiance 0,9
“Explicit assignment: 'strong OH stretching band around 3363 cm-1'”
Afinjuomo 等 - 2020 - Influence of Oxidation Degree on the Physicochemic DOI: 10.3390/polym12051025 -
confiance 0,9
“Text: 'intense absorption peak at 3363 ... of free hydroxyl -OH'”
Hamed 等 - 2023 - Biosynthesis of bacterial cellulose nanofibrils in DOI: 10.1007/s11274-022-03485-0 -
N h confiance 0,8
“Shift from 3363 to 3280 attributed to N-H group”
Wicaksono 等 - 2017 - Enhancement of solubility and dissolution rate of DOI: 10.4314/tjpr.v16i7.6 -
Carboxyl (COOH) confiance 0,7
“Peak observed at 3394-3363 cm-1, presence of carboxylic acid mentioned.”
Jayanthy 等 - 2014 - Phytoremediation of dye contaminated soil by Leuca DOI: 10.1016/j.sjbs.2013.12.001
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