What absorbs at 2886 cm⁻¹ in an FTIR spectrum?
A band near 2886 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
Mga posibleng pagtatalaga ng functional-group
| Functional group | Mga sumusuportang katotohanan | Mga nasiping sanggunian | Pinakamataas na kumpiyansa |
|---|---|---|---|
| Alkyl C-H | 3 | 3 | 0.95 |
| Aromatic ring | 1 | 1 | 0.8 |
| Methyl | 1 | 1 | 0.8 |
Ang pagraranggo ay sumasalamin sa naipon na ebidensya ng literatura, hindi isang solong awtoritatibong tuntunin. Palaging kumpirmahin laban sa konteksto ng iyong sample.
Literatura sa likod ng mga pagtatalagang ito
-
Alkyl C-H kumpiyansa 0.95
“Explicit assignment: C-H vibration absorption peak of PEG.”
Liu 等 - 2022 - Modification of Poplar Wood via Polyethylene Glyco DOI: 10.3390/f13081204 -
kumpiyansa 0.95
“Text: '2885.51 due to ... C-H stretching of sp3 hybridized carbon'.”
Mahto 和 Mishra - 2022 - The removal of textile industrial Dye-RB-19 using DOI: 10.1007/s00289-021-03663-4 -
Alkyl C-H kumpiyansa 0.8
“symmetric and asymmetric C-H stretching of CH group”
Al-Bataineh 等 - 2020 - New Insight on Photoisomerization Kinetics of Phot DOI: 10.3390/polym12122954 -
Aromatic ring kumpiyansa 0.8
“Text: '2886.47 for ... -C-H aromatic stretching'”
Manjare 等 - 2023 - Microwave-Assisted Rapid and Green Synthesis of Sc DOI: 10.1021/acsomega.2c05187 -
Alkyl C-H kumpiyansa 0.8
“Assigned to C-H stretch absorption.”
Shkliarenko 等 - 2023 - Adsorptive Performance of Walnut Shells Modified w DOI: 10.3390/w15081536
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