What absorbs at 2850 cm⁻¹ in an FTIR spectrum?
A band near 2850 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
Ugawaji unaowezekana wa vikundi vya kazi
| Kikundi cha kazi | Ukweli unaounga mkono | Vyanzo vilivyotajwa | Uaminifu wa juu |
|---|---|---|---|
| Alkyl C-H | 66 | 53 | 1.0 |
| Carbohydrate | 3 | 3 | 0.8 |
| Lipid | 3 | 2 | 0.9 |
| Alkene (C=C) | 2 | 2 | 1.0 |
| Methyl | 2 | 1 | 0.9 |
| Carbonyl (C=O) | 1 | 1 | 0.7 |
| Hydroxyl (O-H) | 1 | 1 | 0.7 |
Cheo kinaonyesha ushahidi wa fasihi uliokusanywa, si sheria moja yenye mamlaka. Thibitisha kila mara dhidi ya mazingira ya sampuli yako.
Fasihi nyuma ya ugawaji huu
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Alkyl C-H uaminifu 1.0
“94(cid:5) 2955w 2954 C Hstretching C H 2850vw 1272+1583 2×1351 2709w 2×1195 2384vw”
Arjunan 等 - 2007 - Fourier transform infrared and Raman spectral assi DOI: 10.1016/j.saa.2006.09.044 -
Alkyl C-H uaminifu 1.0
“CH symmetric stretch at 2850 cm-1 mentioned.”
Rutherford 等 - 2011 - Dependence of liquid crystal morphology on phospho DOI: 10.1016/j.colsurfb.2011.05.009 -
uaminifu 1.0
“Explicit assignment: 'assigned to vsCH2'”
Ducic 等 - 2023 - Monitoring oocyte-based human pluripotency acquisi DOI: 10.1016/j.saa.2023.122713 -
Alkyl C-H uaminifu 1.0
“Explicit assignment in text: 'absorption at 2920 and 2850 (C-H asymmetric and symmetric stretching in CH2, respectively)'”
El Samrani 等 - 2004 - Clarification of municipal sewage with ferric chlo DOI: 10.1016/j.watres.2003.10.002 -
Alkyl C-H uaminifu 1.0
“Text: 'methylene CH ... peaks at 2850 and 2918'”
Lopez-Rodriguez 等 - 2023 - Dyeing with Hydrotalcite Hybrid Nanoclays and Disp DOI: 10.3390/ijms24010808 -
Alkene (C=C) uaminifu 1.0
“Typical vibrations of ethylene”
Omastova 等 - 2019 - Electrospinning of Ethylene Vinyl AcetateCarbon N DOI: 10.3390/polym11030550 -
Alkyl C-H uaminifu 1.0
“Symmetrical CH2 stretching mode.”
Wang 等 - 2018 - Synthesis and Characterization of a Dual-Cation Or DOI: 10.3390/ma11112320 -
uaminifu 0.9
“CH2 stretching band”
Brito 等 - 2009 - The action modes of Lippia sidoides (Cham) essenti DOI: 10.1007/s10973-008-9669-8
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