What absorbs at 2867 cm⁻¹ in an FTIR spectrum?
A band near 2867 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 7 cited sources
Möjliga identifieringar av funktionella grupper
| Funktionell grupp | Stödjande fakta | Citerade källor | Högsta förtroende |
|---|---|---|---|
| Alkyl C-H | 7 | 6 | 1,0 |
| Chitosan | 1 | 1 | 1,0 |
Rankingen speglar ackumulerade litteraturbevis, inte en enda auktoritativ regel. Bekräfta alltid mot din provkontext.
Litteratur bakom dessa identifieringar
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Alkyl C-H förtroende 1,0
“CH CH bending at 1354 are lower than those in Xoo strains asymmetric stretching band at 2867 and The ratio 3 3”
Differentiation in MALDI-TOF MS and FTIR spectra between two pathovars of Xanthomonas oryzae DOI: 10.1016/j.saa.2014.06.056 -
Alkyl C-H förtroende 1,0
“In 250◦C 20◦C/min and the scanning rates were under nitrogen to cm-1is case of pure BC, a band at 2867 attributed to the aliphatic the atmosphere.”
Laccase-assisted grafting of poly(3-hydroxybutyrate) onto the bacterial cellulose as backbone polymer: Development and characterisation DOI: 10.1016/j.carbpol.2014.07.003 -
Chitosan förtroende 1,0
“Similar peaks were also found in chitosan (3361cm-1, 2867cm-1),”
Meng 等 - 2020 - Effects of peanut shell and skin extracts on the a DOI: 10.1016/j.ijbiomac.2020.02.235 -
Alkyl C-H förtroende 1,0
“The chemical modification process 2867.18cm-1 𝑑-spacing are due to the C-H stretching in spectrum 3(b).”
Liau 等 - 2014 - Preparation and Characterization of Polyhydroxybut DOI: 10.1155/2014/572726 -
Alkyl C-H förtroende 1,0
“3459 3454 3454 2956,2927, 3088,2993,2960, 2956,2927, 2956,2927, 2956,2927,2856 2961,2902 2961,2902 - 3088 - - C-H(CH2)stretchingalkane 2867 2933,2833 2875-2859 2875-2859 2956, 2956,”
Mikolaszek 等 - 2022 - Microscopic and Spectroscopic Imaging and Thermal DOI: 10.3390/polym14142888 -
Alkyl C-H förtroende 1,0
“Strong peaks with two maxima at 2924 cm-1 and 2867 cm-1 are due to aliphatic C-H stretch of alkyl groups.”
Odlyha 等 - 2022 - Violin Varnishes Microstructure and Nanomechanica DOI: 10.3390/molecules27196378 -
Alkyl C-H förtroende 1,0
“LLM confirmed rule peak-group candidate”
Wairkar 和 Gaud - 2016 - Co-Amorphous Combination of Nateglinide-Metformin DOI: 10.1208/s12249-015-0371-4
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