What absorbs at 3275 cm⁻¹ in an FTIR spectrum?
A band near 3275 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
Mulige funksjonelle gruppe-tilordninger
| Funksjonell gruppe | Støttende fakta | Siterte kilder | Toppkonfidens |
|---|---|---|---|
| Hydroxyl (O-H) | 4 | 4 | 0.9 |
| Amide | 1 | 1 | 0.9 |
| Protein | 1 | 1 | 0.9 |
| Phenolic | 1 | 1 | 0.9 |
Rangeringen gjenspeiler akkumulert litteraturbevis, ikke en enkelt autoritativ regel. Bekreft alltid mot prøvekonteksten din.
Litteratur bak disse tilordningene
-
Hydroxyl (O-H) konfidens 0.9
“Band at 3275 cm-1 assigned to O-H stretching vibrations.”
Aswini 等 - 2021 - Bio-engineered TiO2 nanoparticles using Ledebouria DOI: 10.1080/03067319.2020.1718668 -
Phenolic konfidens 0.9
“Text: 'prominent peaks at 3275.13 and 1635.54 involvement of phenolics and proteins'”
Azeez 等 - 2017 - Biomedical Applications of Cocoa Bean Extract-Medi DOI: 10.1007/s10876-016-1055-2 -
Hydroxyl (O-H) konfidens 0.9
“Stretching of -OH”
Abdullah 和 Lazim - 2014 - Study on Swelling Behaviour of Hydrogel Based on A DOI: 10.1063/1.4895246 -
konfidens 0.9
“Explicit assignment in text.”
Aguilar 等 - 2019 - Biomedical Grade Stainless Steel Coating of Polyca DOI: 10.3390/polym11040584 -
Hydroxyl (O-H) konfidens 0.9
“Text: 'broad absorption peak around 3275 characteristic of O-H stretching vibrations'”
Gurdebeke 等 - 2021 - Hiddenocysta matsuokae gen. et sp. nov. from the H DOI: 10.1080/01916122.2020.1750500 -
Hydroxyl (O-H) konfidens 0.9
“Band at 3275 cm-1 attributed to stretching vibration of different -OH groups of phenolic compounds.”
Solaberrieta 等 - 2022 - Valorization of Aloe vera Skin By-Products to Obta DOI: 10.3390/antiox11061058 -
konfidens 0.9
“Text: 'cm-1 stretch with a maximum around 3275'.”
Tintner 等 - 2020 - Molecular Recalcitrance of Hair Passing the Digest DOI: 10.3390/molecules25194404 -
Amide konfidens 0.9
“Explicit assignment: 3275 stretching (amide I)”
Uranga 等 - 2020 - Compression Molded Soy Protein Films with Exopolys DOI: 10.3390/polym12092106
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