What absorbs at 2966 cm⁻¹ in an FTIR spectrum?
A band near 2966 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
Aseiniadau grŵp swyddogaethol posibl
| Grŵp swyddogaethol | Ffeithiau ategol | Ffynonellau a ddyfynnwyd | Hyder uchaf |
|---|---|---|---|
| Alkyl C-H | 3 | 3 | 0.9 |
| Silicon carbon | 1 | 1 | 0.6 |
| Methyl | 1 | 0 | 0.9 |
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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Alkyl C-H hyder 0.9
“Explicit assignment: '2966 (methyl C-H stretch)'.”
Aquino 等 - 2018 - Synthesis and Characterization of Polysulfone (PSU DOI: 10.1051/matecconf/201821303001 -
Alkyl C-H hyder 0.9
“Text: 'Two weak C-H stretching peaks at 2966 and 2936'”
Karaca 等 - 2022 - Analysis of Chemical Structure and Antibiofilm Pro DOI: 10.3390/microorganisms10112200 -
Alkyl C-H hyder 0.8
“Aliphatic C-H stretching.”
Kamarudin 等 - 2018 - Adsorption of Copper Ion using Acrylic Acid-g-Poly DOI: 10.1088/1755-1315/140/1/012022 -
Silicon carbon hyder 0.6
“Band at 2966 cm-1 assigned to Si-CH3 stretching.”
You 等 - 2023 - Improving the thermal stability of poly[methyl(tri DOI: 10.1039/d3ra01285a
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