What absorbs at 3437 cm⁻¹ in an FTIR spectrum?
A band near 3437 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) | 8 | 8 | 0,9 |
| Alkene (C=C) | 1 | 1 | 1,0 |
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
-
Alkene (C=C) confiance 1,0
“Same as above.”
Toorbaf 和 Moradi - 2021 - Preparation of GOSiO2PEA as a new solid base cat DOI: 10.1039/d1ra02850b -
Hydroxyl (O-H) confiance 0,9
“Explicitly stated: 'O-H stretching due to the physisorbed water molecules'”
Ranchani 等 - 2019 - Removal of hazardous pollutants from wastewater C DOI: 10.1016/j.molliq.2019.112005 -
Hydroxyl (O-H) confiance 0,9
“Broad band at 3437 cm-1 ascribed to -OH stretching vibration.”
Eltaweil 等 - 2021 - Fabrication of attapulgitemagnetic aminated chito DOI: 10.1038/s41598-021-96145-6 -
Hydroxyl (O-H) confiance 0,9
“Same as above.”
Falade 和 Ayetigbo - 2022 - Influence of physical and chemical modifications o DOI: 10.1007/s13197-021-05200-7 -
Hydroxyl (O-H) confiance 0,9
“Assigned to hydroxyl group.”
Guimaraes Silva 等 - 2018 - PET glycolysis optimization using ionic liquid [Bm DOI: 10.1590/0104-1428.00418 -
Hydroxyl (O-H) confiance 0,9
“Band at 3437 cm-1 associated with absorbed water or hydroxyl groups.”
Javad Farhangi 等 - 2021 - MOF-Mediated Synthesis of CuOCeO2 Composite Nanop DOI: 10.3390/jfb12040053 -
Hydroxyl (O-H) confiance 0,9
“Explicit: 'O-H stretching vibration is observed at 3437'”
Kanth 等 - 2017 - Blend Hydrogel Microspheres of Carboxymethyl Chito DOI: 10.3390/pharmaceutics9020013 -
confiance 0,9
“explicit assignment”
Kasar 和 Ahmaruzzaman - 2022 - Characterization of liquid products obtained from DOI: 10.1038/s41598-022-15371-8
Avez-vous un spectre avec cette bande ?
Téléchargez votre spectre FTIR et obtenez un rapport d＇interprétation complet — attributions de pics avec citations bibliographiques, correspondances de bibliothèque et une chaîne de preuves avec évaluation de la confiance — en quelques secondes.
Interpréter mon spectre