What absorbs at 2846 cm⁻¹ in an FTIR spectrum?
A band near 2846 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 |
|---|---|---|---|
| Alkyl C-H | 6 | 6 | 1,0 |
| Lipid | 1 | 1 | 0,8 |
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
-
Alkyl C-H confiance 1,0
“Corresponding to C-H stretching vibrations.”
Varela-Fernandez 等 - 2022 - Design, optimization, and in vitro characterizatio DOI: 10.1016/j.ijpharm.2022.121504 -
Alkyl C-H confiance 0,95
“Explicit assignment in text: 'peaks at about 2908 and 2846 due, respectively, to the C-H asymmetric and ...'”
Torrisi 等 - 2023 - Ultra-High Molecular Weight Polyethylene Modificat DOI: 10.3390/polym15051169 -
Alkyl C-H confiance 0,9
“Explicit assignment: CH symmetric stretch at ~2846 cm-1.”
Grace 等 - 2022 - Response to nutrient variation on lipid productivi DOI: 10.1016/j.saa.2021.120830 -
Alkyl C-H confiance 0,9
“Explicit assignment: 'peaks at 2919 and 2846 belong to CH'”
Wang 等 - 2023 - Surface-Modified TiO2@SiO2 Nanocomposites for Enha DOI: 10.1021/acsomega.3c02679 -
Alkyl C-H confiance 0,9
“Explicit assignment in text.”
Amorim 等 - 2022 - Bio-Availability, Anticancer Potential, and Chemic DOI: 10.3390/antiox11020360 -
confiance 0,9
“from saturated aliphatic -C-H groups”
Gonzalez 等 - 2017 - Influence of ZnO and TiO2 Particle Sizes in the Me DOI: 10.1590/1980-5373-MR-2017-0178 -
Alkyl C-H confiance 0,9
“Peak at 2846 cm-1 assigned to C-H symmetric stretch for CH2/CH3.”
Ren 等 - 2018 - Inhibition mechanism of Ca2+, Mg2+ and Fe3+ in fin DOI: 10.1098/rsos.180158 -
Lipid confiance 0,8
“Used in R1 calculation for lipid.”
Ramalingam 等 - 2014 - Evaluation of metformin hydrochloride in Wistar ra DOI: 10.4103/0976-9668.136168
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