What absorbs at 2864 cm⁻¹ in an FTIR spectrum?
A band near 2864 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 | 4 | 4 | 1.0 |
| Hydroxyl (O-H) | 1 | 1 | 1.0 |
| Methyl | 1 | 0 | 1.0 |
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 1.0
“The absorption band at around 2864 and 1656 represent vibrations of the C-H groups and C = O carbonyl groups, respectively.”
Rupiasih 等 - 2019 - The Current-Voltage Properties of ChAgNP Composit DOI: 10.1088/1757-899X/515/1/012064 -
Alkyl C-H hyder 1.0
“The and CH stretching at 2994 and However, 3 at1723cm-1 spectrum of pure PLA (Figure 2(a)) showed absorption stretching vibration of PCL and CH stretching 2 2864cm-1 C�O bands corresponding to stretching vibration at at were absent.”
Jeon 等 - 2018 - Improvements in the Rheological Properties, Impact DOI: 10.1155/2018/5316175 -
Hydroxyl (O-H) hyder 1.0
“The peaks at 2864 cm-1 and 2936 cm-1 cm-1 cm-1 3470 is the stretching vibration absorption peak of O-H.”
Application of a Superplasticizer in Scheelite Selective Flotation from Calcite DOI: 10.3390/min12040483 -
Alkyl C-H hyder 1.0
“For IAX, the peaks at 2922 and 2864 cm-1 corresponded to -CH2 and -CH3 stretching vibrations (Zhang et al., 2018;”
Zou 等 - 2022 - Dispersion of sodium phytate on muscovite and the DOI: 10.37190/ppmp/154951
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