What absorbs at 3378 cm⁻¹ in an FTIR spectrum?
A band near 3378 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) | 5 | 5 | 0,9 |
| Metal hydroxyl | 2 | 2 | 0,9 |
| N h | 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
-
Hydroxyl (O-H) confiance 0,9
“Snippet: 'absorption peak at 3378 is due to the hydroxyl group. This band corresponds to the Ti-OH'”
Naseem 等 - 2019 - Effect of codoping of Rare Earth ions on Microstru DOI: 10.1088/1757-899X/577/1/012087 -
Hydroxyl (O-H) confiance 0,9
“Explicit assignment in text.”
Samra 和 Athar - 2009 - Novel Synthesis of Mannosamine Conjugated Magnetic DOI: 10.1007/s12257-008-0314-y -
confiance 0,9
“Explicit assignment in text.”
Bertuola 等 - 2020 - Detection of carvacrol in essential oils by electr DOI: 10.1016/j.heliyon.2020.e03714 -
Hydroxyl (O-H) confiance 0,9
“Text states '-OH and -NH stretching vibration intensity peaks appear at 3378.03 and 3354.17 cm-1'.”
Huang 等 - 2022 - Preparation and Characterization of Regenerated Ce DOI: 10.3390/membranes12010042 -
Hydroxyl (O-H) confiance 0,9
“Explicit assignment in text.”
Liew 等 - 2017 - Synthesis and characterization of modified kappa-c DOI: 10.1371/journal. -
Metal hydroxyl confiance 0,9
“Band triplet assigned to AlOH defect.”
Potrafke 等 - 2019 - OH defect contents in quartz in a granitic system DOI: 10.1007/s00410-019-1632-0 -
confiance 0,9
“Explicit assignment in text: '3378 (amine -NH2, -NH stretch)'”
Shahid 等 - 2023 - Copper-Treated Environmentally Friendly Antipathog DOI: 10.3390/coatings13010133 -
Hydroxyl (O-H) confiance 0,9
“Attributed to O-H stretching vibration.”
Shi 等 - 2020 - Fabrication of densified wood via synergy of chemi DOI: 10.1186/s10086-020-1853-x
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