What absorbs at 830 cm⁻¹ in an FTIR spectrum?
A band near 830 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
Attributions possibles de groupes fonctionnels
| Groupe fonctionnel | Faits à l＇appui | Sources citées | Confiance maximale |
|---|---|---|---|
| Lignin | 2 | 1 | 0,8 |
| Carbonate | 1 | 1 | 0,9 |
| Oxygen heterocycle | 1 | 1 | 0,9 |
| Silicon-oxygen (Si-O) | 1 | 1 | 0,9 |
| Aromatic ring | 1 | 1 | 0,9 |
| Alkyl C-H | 1 | 1 | 0,7 |
| Silicon nitrogen | 1 | 0 | 1,0 |
| Hydroxyl (O-H) | 1 | 0 | 0,6 |
| Carbohydrate | 1 | 0 | 0,6 |
Le classement reflète les preuves bibliographiques accumulées, et non une règle faisant autorité. Confirmez toujours dans le contexte de votre échantillon.
Bibliographie derrière ces attributions
-
Aromatic ring confiance 0,9
“Text: '830 (1,4-substitution of benzene ring)'.”
Cao 等 - 2008 - Synthesis and thermal properties of the thermosett DOI: 10.1016/j.polymdegradstab.2007.10.002 -
confiance 0,9
“Explicit: 'TiO2/alloy system, the LO mode moves from 830'”
Lefez 等 - 2007 - Fourier transform infrared reflection absorption s DOI: 10.1016/j.tsf.2007.06.126 -
Silicon-oxygen (Si-O) confiance 0,9
“Text states 'SiO internal stretching modes at 861, 842, and 830 cm-1'.”
Liu 等 - 2019 - In-situ high-temperature vibrational spectra for s DOI: 10.2138/am-2019-6604 -
confiance 0,9
“Explicit assignment in text.”
Cole 等 - 2019 - Dataset on the effect of hardwood biochar on soil DOI: 10.1016/j.dib.2019.104073 -
Oxygen heterocycle confiance 0,9
“Text: 'Epoxy peaks appear at 830 as a weak peak.'”
Gurbuz - 2022 - Quaternarization and polymerization of 2-chloroeth DOI: 10.55730/1300-0527.3503 -
confiance 0,9
“Explicit assignment: As(V) spectra exhibited three bands at 875, 830, and 785”
Hu 等 - 2015 - Polymerization of silicate on TiO2 and its influen DOI: 10.1016/j.colsurfa.2015.01.021 -
confiance 0,9
“Same as above.”
Lakhlifi 等 - 2022 - Purple nanometrics pigments based on cobalt-doped DOI: 10.1016/j.molstruc.2021.131458 -
Carbonate confiance 0,9
“Text: 'peaks at 1473, 830 and 875 are corresponding to CO3^2-'”
Lu 等 - 2020 - Study of MgO-activated slag as a cementless materi DOI: 10.1016/j.jclepro.2020.120671
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