What absorbs at 2893 cm⁻¹ in an FTIR spectrum?
A band near 2893 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 4 cited sources
Möjliga identifieringar av funktionella grupper
| Funktionell grupp | Stödjande fakta | Citerade källor | Högsta förtroende |
|---|---|---|---|
| Alkyl C-H | 4 | 4 | 1,0 |
| Hydroxyl (O-H) | 2 | 2 | 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
“WP, cm-1 O-H stretching, and the peak at 2893 is the characthe prominent peak of modified wood was merged in the teristic band for C-H stretching.”
Awal 等 - 2012 - Thermal analysis and spectroscopic studies of elec DOI: 10.1007/s10973-011-1875-0 -
Alkyl C-H förtroende 1,0
“The band at 2893 is assigned to the CH 2-S asymmetric stretching mode of vibration.”
Crystal Growth, Spectral, Optical, Laser damage, Photoconductivity and Dielectric Properties of Semiorganic L-cystine hydrochloride Single Crystal DOI: 10.1016/j.saa.2015.06.113 -
Hydroxyl (O-H) förtroende 1,0
“For the initial membrane (Figure 6), the absorption bands at around 3487, 2941 and 2893 cm-1 are characteristic of stretching vibrations of the -OH, -CH 2, and”
Rupiasih 等 - 2018 - Study on Transport Properties of Chitosan Membrane DOI: 10.5614/j.math.fund.sci.2018.50.2.6 -
Alkyl C-H förtroende 1,0
“LLM confirmed rule peak-group candidate”
Plasma surface-modification of cellulose nanocrystals: a green alternative towards mechanical reinforcement of ABS DOI: 10.1039/c9ra02451d
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