What absorbs at 1049 cm⁻¹ in an FTIR spectrum?
A band near 1049 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
Mögliche Funktionsgruppenzuweisungen
| Funktionelle Gruppe | Unterstützende Fakten | Zitierte Quellen | Höchstes Vertrauen |
|---|---|---|---|
| C-O single bond | 5 | 5 | 0,9 |
| Thiocarbonyl | 1 | 1 | 0,8 |
| Carbohydrate | 1 | 1 | 0,8 |
| Phosphate (PO4) | 1 | 1 | 0,8 |
| Nucleic acid | 1 | 0 | 0,8 |
Das Ranking spiegelt die gesammelte Literatur Evidenz wider, nicht eine einzelne maßgebliche Regel. Bestätigen Sie immer anhand Ihres Probenkontexts.
Literatur hinter diesen Zuweisungen
-
C-O single bond Vertrauen 0,9
“Peak at 1049 cm-1 assigned to C-O stretch.”
De 等 - 2000 - Hydrolysis-condensation reactions of TEOS in the p DOI: 10.1039/B003221M -
C-O single bond Vertrauen 0,9
“explicit assignment”
Barzic 等 - 2022 - Cellulose derivativebarium titanate composites wi DOI: 10.21203/rs.3.rs-467926/v1 -
C-O single bond Vertrauen 0,9
“Text: C-O-C stretching vibrations at 1049, 988, 908.”
Feng 等 - 2022 - Structural Analysis of Oxidized Sucrose and Its Ap DOI: 10.3390/polym14142842 -
C-O single bond Vertrauen 0,9
“Peak at 1049 cm-1 assigned to C-O-C symmetrical stretching.”
Sabnis 等 - 2022 - Improvements in azithromycin recrystallization usi DOI: 10.1016/j.ultsonch.2022.105922 -
Vertrauen 0,9
“Explicit assignment in text.”
Tavares 等 - 2011 - Incorporation of Strontium up to 5 Mol. (%) to Hyd DOI: 10.1590/S1516-14392011005000073 -
Phosphate (PO4) Vertrauen 0,8
“Anti-symmetric (P-O) stretching band.”
Giraldo 和 Carlos Moreno-Pirajan - 2013 - Study on the Adsorption of Heavy Metal Ions from A DOI: 10.1039/b211124c -
Carbohydrate Vertrauen 0,8
“Associated with xylan.”
Khat-Udomkiri 等 - 2018 - Optimization of alkaline pretreatment and enzymati DOI: 10.1186/s13568-018-0645-9 -
Thiocarbonyl Vertrauen 0,8
“Explicit assignment: 'thicarbonyl (C=S) stretch at 1049'”
Kishore 等 - 2012 - Immobilization of beta-Galactosidase onto Function DOI: 10.1371/journal.pone.0040708
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