What absorbs at 3411 cm⁻¹ in an FTIR spectrum?
A band near 3411 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 7 cited sources
Attributions possibles de groupes fonctionnels
| Groupe fonctionnel | Faits à l＇appui | Sources citées | Confiance maximale |
|---|---|---|---|
| Hydroxyl (O-H) | 4 | 4 | 0,9 |
| N h | 3 | 2 | 0,95 |
| Water (H2O) | 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
-
N h confiance 0,95
“Explicit assignment: symmetric stretching vibration of N-H”
Keshavarz 等 - 2021 - Tetramethylguanidine-functionalized melamine as a DOI: 10.1038/s41598-021-91463-1 -
Hydroxyl (O-H) confiance 0,9
“Band peak at 3411 cm-1 indicated O-H stretching vibration hydroxyl.”
Alfattani 等 - 2022 - Bio-Char Characterization Produced from Walnut She DOI: 10.3390/en15010001 -
Hydroxyl (O-H) confiance 0,9
“Explicit assignment: 'a band at 3411 due to O-H stretching'.”
Dick 等 - 2017 - Impact of HNO3 Solution Treatment of South Brazil DOI: 10.21577/0103-5053.20160230 -
confiance 0,9
“Explicit assignment in text”
Sharma 等 - 2020 - Structural and physicochemical properties of Rheum DOI: 10.1049/iet-nbt.2019.0348 -
Water (H2O) confiance 0,9
“Text: 'band around 3411 ... molecules of adsorbed water'”
Worku 等 - 2021 - Engineering Co3O4MnO2 nanocomposite materials for DOI: 10.1016/j.heliyon.2021.e08076 -
Hydroxyl (O-H) confiance 0,8
“Text: 'strong absorption band at 3411 ... O-H N-H'”
Singh 等 - 2017 - Sustainable fragrance cum antimicrobial finishing DOI: 10.1016/j.scp.2017.01.003 -
Hydroxyl (O-H) confiance 0,7
“May be related to O-H stretching vibration.”
Hamidi 等 - 2022 - Acid red 18 removal from aqueous solution by nanoc DOI: 10.1038/s41598-022-08769-x
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