What absorbs at 1125 cm⁻¹ in an FTIR spectrum?
A band near 1125 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
Mögulegar úthlutun virkra hópa
| Virkur hópur | Stuðningsstaðreyndir | Tilvitnuð heimildir | Mesta öryggi |
|---|---|---|---|
| C-O single bond | 3 | 3 | 1,0 |
| Phosphate (PO4) | 1 | 1 | 0,9 |
| Carboxyl (COOH) | 1 | 1 | 0,9 |
| Carbonyl (C=O) | 1 | 1 | 0,9 |
| Silicon-oxygen (Si-O) | 1 | 1 | 0,9 |
| Thiocarbonyl | 1 | 1 | 0,8 |
| Alkyl C-H | 1 | 1 | 0,8 |
| Methyl | 1 | 1 | 0,8 |
| C=n | 1 | 0 | 0,9 |
Röðun endurspeglar uppsöfnuð ritrýnisgögn, ekki eina valdboðsreglu. Staðfestu alltaf í samhengi við sýnið þitt.
Ritlist á bak við þessar úthlutanir
-
C-O single bond öryggi 1,0
“Correspond to C-O stretching.”
Manupa 等 - 2023 - Storage stability and antioxidant activities of lu DOI: 10.1016/j.heliyon.2023.e16805 -
öryggi 1,0
“Text: 'ascribed to an asymmetric P-O-Al stretching vibration'.”
Wu 等 - 2023 - Efficient and Stable O-Methylation of Catechol wit DOI: 10.3390/catal13010150 -
C-O single bond öryggi 0,9
“Explicit assignment: 'C-O stretch cm-1 absorption peak at 1125 for NMA'.”
Bleyan 等 - 2015 - The development of powder injection moulding binde DOI: 10.1016/j.powtec.2015.07.046 -
Silicon-oxygen (Si-O) öryggi 0,9
“Strong absorption peak attributed to Si-O.”
Hijazi 等 - 2019 - Modified SnO2-APTES gas sensor for selective ammon DOI: 10.1016/j.matpr.2018.10.424 -
Carbonyl (C=O) öryggi 0,9
“Explicit assignment: 'Carbonyl group (CO32-) bending vibration is detected at 1125'”
Kannan 等 - 2020 - Fabrication of ZnO-Fe-MXene Based Nanocomposites f DOI: 10.3390/catal10050549 -
Carboxyl (COOH) öryggi 0,9
“Assigned to carboxylic groups.”
Nayeri 等 - 2019 - Dataset on adsorption of methylene blue from aqueo DOI: 10.1016/j.dib.2019.104036 -
Phosphate (PO4) öryggi 0,9
“Marker HPO vibration.”
Possenti 等 - 2019 - Diammonium hydrogenphosphate for the consolidation DOI: 10.1016/j.conbuildmat.2015.10.202. -
C-O single bond öryggi 0,9
“Explicit assignment: new absorption band at 1125 corresponds to stretching vibrations of C-O groups.”
Worzakowska - 2014 - Thermal properties of citronellyl diesters DOI: 10.1007/s10973-014-3945-6
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