What absorbs at 2935 cm⁻¹ in an FTIR spectrum?
A band near 2935 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 funktionelle gruppetildelinger
| Funktionel gruppe | Understøttende fakta | Citerede kilder | Højeste tillid |
|---|---|---|---|
| Alkyl C-H | 10 | 9 | 1,0 |
| Hydroxyl (O-H) | 1 | 1 | 0,9 |
Rangering afspejler akkumulerede litteraturbeviser, ikke en enkelt autoritativ regel. Bekræft altid mod din prøvekontekst.
Litteratur bag disse tildelinger
-
Alkyl C-H tillid 0,95
“Absorption peak at 2935 cm-1 corresponded to stretching vibration of C-H bonds”
Chen 等 - 2023 - High-Molecular-Weight Exopolysaccharides Productio DOI: 10.3390/ijms24054875 -
tillid 0,9
“Text states 'for samples C1-C3, C-H stretching vibration bands were observed at around 2935 cm-1'”
Caprarescu 等 - 2021 - Study of Polyvinyl Alcohol-SiO2 Nanoparticles Poly DOI: 10.3390/polym13111875 -
tillid 0,9
“Explicit assignment: '2935 (symmetric'”
Tang 等 - 2015 - Poly(vinyl alcohol) Nanocomposites Reinforced with DOI: 10.3390/ma8084895 -
Alkyl C-H tillid 0,9
“Explicit assignment: 'around 2935 and 2850 assigned to CH2 stretching modes'.”
Apneseth 等 - 2023 - A non-invasive study of the effect of three commer DOI: 10.1016/j.matlet.2023.133963 -
Alkyl C-H tillid 0,9
“C-H absorbance at 2935 used as standard.”
Gangoiti 和 Peruzzo - 2020 - Cellulose nanocrystal reinforced acylglycerol-base DOI: 10.3144/expresspolymlett.2020.52 -
Alkyl C-H tillid 0,9
“Signal originating from C-H stretching.”
Koczorowski 等 - 2022 - Photocatalytic Activity of Sulfanyl PorphyrazineT DOI: 10.3390/ma15207264 -
tillid 0,9
“Explicit assignment in text: 'prominent groups around ... 2935 cm-1 assigned to N-H stretch coupled with hydrogen'”
Rapa 等 - 2020 - New Nanofibers Based on Protein By-Products with B DOI: 10.3390/ma13143149 -
Hydroxyl (O-H) tillid 0,9
“O-H stretching”
Sonali 等 - 2010 - Silymarin-solid dispersions Characterization and DOI: 10.2478/v10007-010-0038-3
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