What absorbs at 1050 cm⁻¹ in an FTIR spectrum?
A band near 1050 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
Möjliga identifieringar av funktionella grupper
| Funktionell grupp | Stödjande fakta | Citerade källor | Högsta förtroende |
|---|---|---|---|
| C-O single bond | 12 | 12 | 1,0 |
| Carbohydrate | 5 | 5 | 1,0 |
| Siloxane (Si-O-Si) | 4 | 2 | 1,0 |
| Phosphate (PO4) | 3 | 3 | 0,9 |
| C c single bond | 2 | 2 | 0,9 |
| Alkene (C=C) | 2 | 2 | 0,9 |
| Silicon-oxygen (Si-O) | 2 | 1 | 1,0 |
| Ester | 1 | 1 | 1,0 |
| Nucleic acid | 1 | 1 | 0,9 |
| Methacrylate | 1 | 1 | 0,9 |
| Hydroxyl (O-H) | 1 | 1 | 0,8 |
| Carbonate | 1 | 1 | 0,7 |
| Acetate | 1 | 0 | 0,9 |
| S eq o | 1 | 0 | 0,7 |
Rankingen speglar ackumulerade litteraturbevis, inte en enda auktoritativ regel. Bekräfta alltid mot din provkontext.
Litteratur bakom dessa identifieringar
-
C-O single bond förtroende 1,0
“Explicit assignment”
Bhanthumnavin 等 - 2016 - Surface modification of bacterial cellulose membra DOI: 10.1016/j.surfcoat.2016.06.035 -
Siloxane (Si-O-Si) förtroende 1,0
“Peak at 1050 cm-1 assigned to Si-O-Si and Si-O-C absorption.”
Mir 等 - 2017 - Thermal, Rheological, Mechanical and Morphological DOI: 10.1007/s10924-016-0880-6 -
Ester förtroende 1,0
“Explicitly assigned to ester group vibrations.”
Chaparro 等 - 2023 - Biowaxes from Palm Oil as Promising Candidates for DOI: 10.3390/ma16124402 -
C-O single bond förtroende 1,0
“Text: 'At ≈1050 cm-1, C-O-C stretching vibrations peak due to the pyranose ring was observed'”
Grabska-Zielinska 等 - 2020 - Silk FibroinCollagenChitosan Scaffolds Cross-Lin DOI: 10.3390/ma13153433 -
C-O single bond förtroende 1,0
“Explicit assignment in text.”
Inam 等 - 2018 - Preparation and Characterization of Novel Pharmace DOI: 10.3390/cryst8090336 -
C-O single bond förtroende 1,0
“Explicitly assigned as part of ether bonds.”
Lv 等 - 2017 - The Adsorption Capacity of GONsCMCFe3O4 Magnetic DOI: 10.3390/ma10010058 -
Phosphate (PO4) förtroende 0,9
“Phosphate bands present at 1050 and 1098 cm-1.”
Beserra dos Santos 等 - 2019 - Development of Composite Scaffolds Based on Cerium DOI: 10.3390/ma12152389 -
Siloxane (Si-O-Si) förtroende 0,9
“Asymmetric stretch of Si-O-Si.”
Piwowar 和 Gardella - 2008 - Reflection-absorption Fourier transform infrared s DOI: 10.1021/ma702893d
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