What absorbs at 1230 cm⁻¹ in an FTIR spectrum?
A band near 1230 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
Aseiniadau grŵp swyddogaethol posibl
| Grŵp swyddogaethol | Ffeithiau ategol | Ffynonellau a ddyfynnwyd | Hyder uchaf |
|---|---|---|---|
| C-O single bond | 5 | 5 | 1.0 |
| Phosphate (PO4) | 2 | 2 | 0.9 |
| Sulfate (SO4) | 1 | 1 | 0.9 |
| Sulfonate | 1 | 1 | 0.9 |
| Alkyl C-H | 1 | 1 | 0.9 |
| Carbonate | 1 | 1 | 0.9 |
| Aromatic ring | 1 | 1 | 0.9 |
| Protein | 1 | 1 | 0.8 |
| Amide | 1 | 1 | 0.8 |
| Phospholipid | 1 | 1 | 0.7 |
| Nucleic acid | 1 | 1 | 0.7 |
| Carboxyl (COOH) | 1 | 0 | 0.7 |
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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C-O single bond hyder 1.0
“Explicit assignment: 'band at 1230 is associated with C-O stretch'.”
Akcay 等 - 2023 - Production of oyster mushroom (Pleurotus ostreatus DOI: 10.1038/s41598-023-40200-x -
hyder 0.95
“Explicitly stated 'alkyl halide C-F peak area centered on 1230/cm'.”
Elnadi 等 - 2022 - Fourier Transform Infrared Spectroscopic, Spectrof DOI: 10.1093/jaoacint/qsac030 -
Aromatic ring hyder 0.9
“Attributed to in plane band at 1230 cm-1 deformation.”
Huang 等 - 2021 - Identifying the fingerprint of permanganate oxidiz DOI: 10.1111/ejss.13085 -
hyder 0.9
“Assigned as band E in figure caption.”
Liu 等 - 2020 - Effect of different carbohydrates on the functiona DOI: 10.1016/j.jcs.2020.102979 -
Phosphate (PO4) hyder 0.9
“Shift of P=O stretching and stretching POC from group -OP=O.”
Saefurohman 等 - 2014 - Potentiometric Measurement Of Polymer-Membrane Ele DOI: 10.1063/1.4868773 -
hyder 0.9
“C-O-C peak at 1230 cm-1 (aliphatic ester group asymmetric stretching).”
Sahoo 等 - 2014 - Effects of neutron irradiation on optical and chem DOI: 10.1016/j.apradiso.2014.08.012 -
C-O single bond hyder 0.9
“C-O stretching of alkyl aryl ether group”
Ali 等 - 2023 - Characterization of plastic degrading bacteria iso DOI: 10.1016/j.sjbs.2023.103628 -
Phosphate (PO4) hyder 0.9
“nucleic acids P=O”
Cointet 等 - 2019 - Lipids in benthic diatoms A new suitable screenin DOI: 10.1016/j.algal.2019.101425
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