What absorbs at 2959 cm⁻¹ in an FTIR spectrum?
A band near 2959 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
Aseiniadau grŵp swyddogaethol posibl
| Grŵp swyddogaethol | Ffeithiau ategol | Ffynonellau a ddyfynnwyd | Hyder uchaf |
|---|---|---|---|
| Alkyl C-H | 2 | 2 | 0.9 |
| Methyl | 1 | 1 | 0.95 |
| Carbohydrate | 1 | 1 | 0.8 |
| Lipid | 1 | 1 | 0.8 |
Mae＇r safle＇n adlewyrchu tystiolaeth llenyddiaeth gronnwyd, nid rheol awdurdodol sengl. Cadarnhewch bob amser yn erbyn eich cyd-destun sampl.
Llenyddiaeth y tu ôl i＇r aseiniadau hyn
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hyder 1.0
“Explicit assignment in table.”
Cakmak-Arslan 等 - 2020 - Investigation of the Toxic Effects of Rhododendron DOI: 10.9775/kvfd.2019.22996 -
Methyl hyder 0.95
“Explicitly assigned as CH stretching mode.”
Urbanek 等 - 2020 - PATTERNING OF SELF-ASSEMBLED MONOLAYERS (SAMS) DOI: 10.37904/nanocon.2019.8592 -
Alkyl C-H hyder 0.9
“Text states 'absorption bands at 2959 and 2871 and CH2'.”
Gnatyuk 等 - 2018 - 2D-BN nanoparticles as a spectroscopic marker and DOI: 10.1039/c8ra05085f -
Lipid hyder 0.8
“Absorbance increase in lipid- and carbohydrate-region”
Kujdowicz 等 - 2021 - Towards the Point of Care and noninvasive classifi DOI: 10.1016/j.microc.2021.106460 -
Alkyl C-H hyder 0.8
“Asymmetric C-CH stretching.”
Linehan 和 Doyle - 2014 - Size Controlled Synthesis of Silicon Nanocrystals DOI: 10.1002/smll.201301189
Oes gennych sbectrwm gyda＇r band hwn?
Llwythwch eich sbectrwm FTIR i fyny a chael adroddiad dehongli llawn — aseiniadau brig gyda chyfeiriadau llenyddiaeth, cyfateb llyfrgell, a chadwyn dystiolaeth â gradd hyder — mewn eiliadau.
Dehongli fy sbectrwm