What absorbs at 1090 cm⁻¹ in an FTIR spectrum?
A band near 1090 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 |
|---|---|---|---|
| C-O single bond | 5 | 5 | 1,0 |
| Siloxane (Si-O-Si) | 4 | 4 | 0,95 |
| Silicon-oxygen (Si-O) | 4 | 4 | 0,9 |
| Phosphate (PO4) | 4 | 3 | 0,9 |
| Alkyl C-H | 2 | 2 | 1,0 |
| C n single bond | 1 | 1 | 1,0 |
| Nucleic acid | 1 | 1 | 1,0 |
| N h | 1 | 1 | 1,0 |
| Silanol (Si-OH) | 1 | 1 | 0,9 |
| Fluorine (C-F) | 1 | 1 | 0,9 |
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
-
N h confiance 1,0
“N-H twisting and rocking”
Khaliq 等 - 2023 - A novel study for producing complexed and encapsul DOI: 10.1038/s41598-023-37607-x -
Nucleic acid confiance 1,0
“Explicit assignment: 'DNA bands regions at 1090'”
Boydston-White 等 - 2006 - Cell-cycle-dependent variations in FTIR micro-spec DOI: 10.1016/j.bbamem.2006.04.018. -
C-O single bond confiance 1,0
“Explicit assignment in text”
Gregorio 等 - 2017 - Analysis of human bodily fluids on superabsorbent DOI: 10.1016/j.talanta.2016.10.061 -
Alkyl C-H confiance 1,0
“Text: 'peak at 1090 relates to symmetric C-H in the plane mode'.”
Irfan 和 Shakoor - 2020 - Structural, Electrical and Dielectric Properties o DOI: 10.1007/s10904-019-01287-w -
C n single bond confiance 1,0
“band at approximately 1090 corresponds to both C-N and B-C bonds”
Jalaly 等 - 2017 - A novel, simple and rapid route to the synthesis o DOI: 10.1038/s41598-017-03794-7 -
Siloxane (Si-O-Si) confiance 0,95
“Explicit assignment: 'peak at 1090.16 was attributed to the symmetric stretching of Si-O-Si bonds'”
Ashkbar 等 - 2020 - Treatment of breast cancer in vivo by dual photody DOI: 10.1038/s41598-020-78241-1 -
confiance 0,95
“Explicit assignment in text: 'asymmetric vibration band at 1090 for the tetrahedral SiO species'.”
Sim 等 - 2022 - The Promoting Effect of Ti on the Catalytic Perfor DOI: 10.3390/catal12080869 -
Phosphate (PO4) confiance 0,9
“Peak at 1090 cm-1 assigned to asymmetric stretch of phosphate.”
Jaber 和 Kovacs - 2019 - Preparation and synthesis of hydroxyapatite bio-ce DOI: 10.14382/epitoanyag-jsbcm.2019.18
Avez-vous un spectre avec cette bande ?
Téléchargez votre spectre FTIR et obtenez un rapport d＇interprétation complet — attributions de pics avec citations bibliographiques, correspondances de bibliothèque et une chaîne de preuves avec évaluation de la confiance — en quelques secondes.
Interpréter mon spectre