What absorbs at 2894 cm⁻¹ in an FTIR spectrum?
A band near 2894 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 5 cited sources
Mulige funksjonelle gruppe-tilordninger
| Funksjonell gruppe | Støttende fakta | Siterte kilder | Toppkonfidens |
|---|---|---|---|
| Alkyl C-H | 3 | 3 | 1.0 |
| Amide | 1 | 1 | 0.9 |
| Methyl | 1 | 1 | 0.9 |
| Carbohydrate | 1 | 1 | 0.8 |
Rangeringen gjenspeiler akkumulert litteraturbevis, ikke en enkelt autoritativ regel. Bekreft alltid mot prøvekonteksten din.
Litteratur bak disse tilordningene
-
Alkyl C-H konfidens 1.0
“Explicit assignment”
Bhanthumnavin 等 - 2016 - Surface modification of bacterial cellulose membra DOI: 10.1016/j.surfcoat.2016.06.035 -
Methyl konfidens 0.9
“Peak at 2894 cm-1 attributed to stretching modes of C-H in methyl and methylene functions.”
Birgani 等 - 2021 - Production of Nanocrystalline Cellulose from Bleac DOI: 10.1080/19443994.2015.1041161 -
Amide konfidens 0.9
“Text: 'absorption band with maximum at 2894 (amide Absorption cm-1 band II)'”
Zdravkovic 等 - 2017 - The evaluation of temperature and pH influences on DOI: 10.2298/HEMIND161018001Z -
Alkyl C-H konfidens 0.9
“C-H characteristic peak”
Zhu 等 - 2022 - Synthesis of Covalent Organic Frameworks (COFs)-Na DOI: 10.3390/polym14153158 -
Carbohydrate konfidens 0.8
“Text: 'Cellulose possesses peak at 2894 due to the vibration of the'”
Pang 等 - 2021 - Photocatalytic degradation of malachite green usin DOI: 10.1016/j.matpr.2021.02.684
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