What absorbs at 802 cm⁻¹ in an FTIR spectrum?
A band near 802 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 |
|---|---|---|---|
| Alkyl C-H | 2 | 2 | 1,0 |
| Metal oxygen | 1 | 1 | 1,0 |
| Siloxane (Si-O-Si) | 1 | 1 | 0,9 |
| Silicon-oxygen (Si-O) | 1 | 1 | 0,9 |
| Methyl | 1 | 1 | 0,9 |
| Alkene (C=C) | 1 | 1 | 0,9 |
| Silicon (Si) | 1 | 1 | 0,8 |
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
-
Alkyl C-H confiance 1,0
“Attributed to out-of-plane bending of C-H.”
Abdolahi 等 - 2012 - Synthesis of Uniform Polyaniline Nanofibers throug DOI: 10.3390/ma5081487 -
Metal oxygen confiance 1,0
“Explicit assignment: Ti-O-Ti at 802 cm-1”
Rahayu 等 - 2022 - Physical Properties of Fast-Growing Wood-Polymer N DOI: 10.3390/polym14204463 -
Alkene (C=C) confiance 0,9
“Text: 'Peaks at 802 correspond to C=C bending'”
Fazal 等 - 2022 - Green Fabrication of Copper Oxide Nanoparticles A DOI: 10.1007/s13369-021-05767-5 -
Alkyl C-H confiance 0,9
“Attributed to out-of-plane bending of C-H.”
Zulkifli 等 - 2020 - Properties of Conductive PANI Fabricated Using Dif DOI: 10.1063/5.0015755 -
confiance 0,9
“Explicit assignment in text.”
Beser 等 - 2016 - A C216-Nanographene Molecule with Defined Cavity a DOI: 10.1021/jacs.6b01181 -
confiance 0,9
“absorption peak caused by furan ring's C-H bending vibration at 802.5 cm-1”
Gao 等 - 2023 - Extraction, structural characterization, and antio DOI: 10.3389/fnut.2023.1149137 -
Methyl confiance 0,9
“Explicit assignment in text”
JEONG 等 - 2013 - Preparation of Shape Stabilized PCM Using Porous M DOI: 10.6110/KJACR.2013.25.8.432 -
Silicon-oxygen (Si-O) confiance 0,9
“Text: 'absorption bands at 1097, 1037, 802 and 774 ... assigned to the O-Si-'”
Lancellotti 等 - 2015 - Geopolymers An option for the valorization of inc DOI: 10.1016/j.ceramint.2014.10.008
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