What absorbs at 813 cm⁻¹ in an FTIR spectrum?
A band near 813 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
Mulige funktionelle gruppetildelinger
| Funktionel gruppe | Understøttende fakta | Citerede kilder | Højeste tillid |
|---|---|---|---|
| Siloxane (Si-O-Si) | 2 | 2 | 0,9 |
| Aromatic ring | 2 | 1 | 0,9 |
| Alkyl C-H | 1 | 1 | 0,9 |
| Silicon-oxygen (Si-O) | 1 | 1 | 0,9 |
| Metal oxygen | 1 | 1 | 0,7 |
| Hydroxyl (O-H) | 1 | 1 | 0,6 |
| C n single bond | 1 | 1 | 0,5 |
Rangering afspejler akkumulerede litteraturbeviser, ikke en enkelt autoritativ regel. Bekræft altid mod din prøvekontekst.
Litteratur bag disse tildelinger
-
Silicon-oxygen (Si-O) tillid 0,9
“O-Si-O stretching mode at 813 cm-1.”
Li 等 - 2019 - The Application of Si-29 NMR Spectroscopy to the A DOI: 10.3390/jfb10020025 -
tillid 0,9
“Explicit assignment in text.”
Bertuola 等 - 2020 - Detection of carvacrol in essential oils by electr DOI: 10.1016/j.heliyon.2020.e03714 -
Aromatic ring tillid 0,9
“Intense peaks at 813 and 873 corresponding to aromatic rings.”
Gangnaik 等 - 2015 - Correlation of lithographic performance of the ele DOI: 10.1116/1.4926387 -
Siloxane (Si-O-Si) tillid 0,9
“Text: 'peak observed at 813 is assigned to Si-O-Si bending vibrations'”
Kayed 和 Kurd - 2022 - The Effect of Annealing Temperature on the Structu DOI: 10.21203/rs.3.rs-246154/v1 -
Alkyl C-H tillid 0,9
“Explicit assignment in text”
Pagnin 等 - 2021 - The Effect of Pollutant Gases on Surfactant Migrat DOI: 10.3390/polym13121941 -
Siloxane (Si-O-Si) tillid 0,9
“Text: '813 cm-1 ... for Si-O-Si groups (stretching and bending vibrations)'”
Zdarta 等 - 2017 - Lipase B from Candida antarctica Immobilized on a DOI: 10.3390/catal7010014 -
Metal oxygen tillid 0,7
“Deconvolution peak at ~813 cm-1 assigned to As-O”
Li 等 - 2021 - Mechanisms of arsenate and cadmium co-immobilized DOI: 10.1016/j.cej.2021.130410 -
Hydroxyl (O-H) tillid 0,6
“Peak at 813 cm-1 shows features from phenol and insulin.”
Maltesen 等 - 2011 - Multivariate Analysis of Phenol in Freeze-Dried an DOI: 10.1208/s12249-011-9618-x
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