What absorbs at 3360 cm⁻¹ in an FTIR spectrum?
A band near 3360 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 8 cited sources
Attributions possibles de groupes fonctionnels
| Groupe fonctionnel | Faits à l＇appui | Sources citées | Confiance maximale |
|---|---|---|---|
| Hydroxyl (O-H) | 10 | 10 | 0,9 |
| N h | 5 | 4 | 1,0 |
| Amide | 1 | 1 | 0,95 |
| Carbonyl (C=O) | 1 | 1 | 0,8 |
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
-
Amide confiance 0,95
“Explicit assignment: 'amide A band ... at 3360 (associated with the N-H stretch)'”
Purba 等 - 2023 - Novel method of hydrolysed collagen extraction fro DOI: 10.47836/ifrj.30.2.08 -
Hydroxyl (O-H) confiance 0,9
“Text: 'absorption peaks at nearby 3360 ... corresponds to stretching of OH and NH bonds'”
Paul 等 - 2018 - Development of chitosan based optimized edible coa DOI: 10.1007/s13197-018-3162-6 -
Hydroxyl (O-H) confiance 0,9
“Explicit assignment: 'one OH absorption band at 3360 cm-1'”
Purwin 等 - 2009 - Hydrogen incorporation in Feand Na-doped diopsid DOI: 10.1127/0935-1221/2009/0021-1938 -
Hydroxyl (O-H) confiance 0,9
“Text: 'strong and broad absorption band at 3360 cm-1, indicative of the presence of -OH groups and -NH groups'”
Adriana Ramales-Valderrama 等 - 2016 - Biosorption of B-aflatoxins Using Biomasses Obtain DOI: 10.3390/toxins8070218 -
Hydroxyl (O-H) confiance 0,9
“Broad band centered at 3360 for phenolic.”
Chiou 等 - 2014 - Strong Screening Effect of Polyhedral Oligomeric S DOI: 10.3390/polym6030926 -
Hydroxyl (O-H) confiance 0,9
“Explicit assignment in text.”
Helen 等 - 2023 - Amelioration of ionic conductivity (303 K) with th DOI: 10.21203/rs.3.rs-1557220/v1 -
Hydroxyl (O-H) confiance 0,9
“Strong and broad peak at 3360 cm-1 indicates surface O-H stretching.”
Khobragade 等 - 2017 - Physico-mechanical properties of nano-polystyrene- DOI: 10.1002/pi.5392 -
Hydroxyl (O-H) confiance 0,9
“Overlapped O-H and N-H stretching vibrations”
Mahmud 等 - 2018 - Influence of Poly (Ethylene Glycol) on the Charact DOI: 10.17576/jsm-2018-4706-14
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