What absorbs at 2953 cm⁻¹ in an FTIR spectrum?
A band near 2953 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 | 7 | 7 | 0,95 |
| Methyl | 3 | 3 | 0,9 |
| Lipid | 1 | 1 | 0,9 |
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
-
confiance 1,0
“Explicit assignment in text.”
Caliskan 等 - 2022 - Investigation of the Side Chain Effect on Gas and DOI: 10.3390/polym14010119 -
Alkyl C-H confiance 0,95
“Explicit assignment in text: 'C-H stretching vibration at 2953'”
Nivitha 等 - 2019 - Transitions in unmodified and modified bitumen usi DOI: 10.1617/s11527-018-1308-7 -
confiance 0,95
“Explicit assignment in text.”
Sejkorova 等 - 2020 - FTIR Spectrometry with PLS Regression for Rapid TB DOI: 10.3390/en13236438 -
Alkyl C-H confiance 0,9
“Characteristic absorption of -CH or -CH2.”
Kim 等 - 2015 - Controlled growth of CdSe quantum dots on silica s DOI: 10.1117/12.2187697 -
Alkyl C-H confiance 0,9
“Text: 'cm-1 for -CH stretching peak at 2953'.”
Sikiti 等 - 2014 - Synthesis and characterization of molecularly impr DOI: 10.1186/2052-336X-12-82 -
Alkyl C-H confiance 0,9
“Explicit assignment in text.”
Elkhouly 等 - 2022 - An investigated organic and inorganic reinforcemen DOI: 10.1038/s41598-022-20393-3 -
Alkyl C-H confiance 0,9
“Symmetric and asymmetric stretching vibrations of CH groups.”
Hadaruga 等 - 2022 - FTIR-PCA Approach on Raw and Thermally Processed C DOI: 10.3390/foods11223632 -
Alkyl C-H confiance 0,9
“Explicit assignment: ν(CH).”
Nabipour 和 Sadr - 2015 - Layered zinc hydroxide-ibuprofen nanohybrids synt DOI: 10.1080/17458080.2014.998301
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