What absorbs at 2854 cm⁻¹ in an FTIR spectrum?
A band near 2854 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
Posibles asignaciones de grupos funcionales
| Grupo funcional | Hechos de respaldo | Fuentes citadas | Confianza máxima |
|---|---|---|---|
| Alkyl C-H | 28 | 22 | 1,0 |
| Methyl | 5 | 5 | 1,0 |
| C-O single bond | 1 | 1 | 1,0 |
| Lipid | 1 | 1 | 0,9 |
| Nucleic acid | 1 | 1 | 0,9 |
La clasificación refleja la evidencia acumulada de la literatura, no una única regla autorizada. Siempre confirme según el contexto de su muestra.
Literatura detrás de estas asignaciones
-
Alkyl C-H confianza 1,0
“Explicit assignment in text.”
Mansour 等 - 2017 - Elucidation of penetration enhancement mechanism o DOI: 10.1016/j.saa.2017.05.026 -
C-O single bond confianza 1,0
“vibration of C-O”
Huang 等 - 2016 - Comparison of cell behavior on pvapva-gelatin ele DOI: 10.1038/srep37960 -
Alkyl C-H confianza 1,0
“stretch”
Meade 等 - 2007 - Growth substrate induced functional changes elucid DOI: 10.1007/s00216-006-0876-5 -
Alkyl C-H confianza 1,0
“Explicit assignment in text: 'the weaker one at 2854 correspond to C-H stretching (aliphatic C-H groups)'”
Prdun 等 - 2021 - Characterization of Bee Pollen Physico-Chemical P DOI: 10.3390/foods10092103 -
Methyl confianza 1,0
“Stretching bands of -CH3 and -CH2 groups on graphite surfaces.”
Qiu 等 - 2016 - An Investigation of Reverse Flotation Separation o DOI: 10.3390/min6030057 -
confianza 1,0
“Explicit assignment: -CH sym. at 2854”
Schreiver 等 - 2017 - Synchrotron-based nu-XRF mapping and mu-FTIR micro DOI: 10.1038/s41598-017-11721-z -
Alkyl C-H confianza 1,0
“Explicit assignment to ν(-CH) stretch.”
Soares Pereira 等 - 2019 - In vitro evaluation of PVA gels loaded with Copaib DOI: 10.1590/0104-1428.03719 -
Alkyl C-H confianza 0,9
“Associated with -CH stretching.”
Liu 等 - 2020 - Influence of flaxseed flour as a partial replaceme DOI: 10.1039/d0ra05742h
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