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
가능한 작용기 할당
| 작용기 | 지원 사실 | 인용 출처 | 최고 신뢰도 |
|---|---|---|---|
| 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 |
순위는 단일 권위 규칙이 아닌 축적된 문헌 증거를 반영합니다. 항상 샘플 상황에 대해 확인하세요.
이 할당의 배경이 되는 문헌
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C-O single bond 신뢰도 1.0
“Correspond to C-O stretching.”
Manupa 等 - 2023 - Storage stability and antioxidant activities of lu DOI: 10.1016/j.heliyon.2023.e16805 -
신뢰도 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 신뢰도 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) 신뢰도 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) 신뢰도 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) 신뢰도 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) 신뢰도 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 신뢰도 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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