What absorbs at 2888 cm⁻¹ in an FTIR spectrum?
A band near 2888 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
Ugawaji unaowezekana wa vikundi vya kazi
| Kikundi cha kazi | Ukweli unaounga mkono | Vyanzo vilivyotajwa | Uaminifu wa juu |
|---|---|---|---|
| Alkyl C-H | 2 | 2 | 0.9 |
| Carboxyl (COOH) | 1 | 1 | 0.8 |
| Methyl | 1 | 1 | 0.8 |
| C-O single bond | 1 | 1 | 0.6 |
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 0.9
“Same as above.”
Chrzan 等 - 2019 - Towards Methane Combustion Mechanism on Metal Oxid DOI: 10.1007/s11244-019-01143-8 -
Alkyl C-H uaminifu 0.9
“Text states ~2888 (C-H stretch).”
Shariare 等 - 2021 - Preparation and Optimization of PEGylated Nano Gra DOI: 10.3390/molecules26051457 -
Methyl uaminifu 0.8
“Text: 'CH3 are assigned to very strong band at 2888 cm-1 in Raman spectra.' Note: Raman, not FTIR, but included as cited peak.”
Samuel 和 Mohan - 2004 - FTIR and FT Raman spectra and analysis of poly(4-m DOI: 10.1016/S1386-1425(03)00212-9 -
Carboxyl (COOH) uaminifu 0.8
“carboxyl group vibration”
Wang 和 Lin - 2005 - Reactions of trimethylindium on TiO2 nanoparticles DOI: 10.1021/jp050892v -
C-O single bond uaminifu 0.6
“Text: 'IR peaks at 2888 c' (incomplete, but context suggests C-C-O stretches)”
Tan 等 - 2016 - In vitro drug release characteristic and cytotoxic DOI: 10.1186/s13065-016-0228-2
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