What absorbs at 1423 cm⁻¹ in an FTIR spectrum?
A band near 1423 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 | 2 | 2 | 0.9 |
| Carbohydrate | 2 | 2 | 0.9 |
| Aromatic ring | 1 | 1 | 1.0 |
| Carbonate | 1 | 1 | 0.9 |
| Lignin | 1 | 1 | 0.7 |
| Methyl | 1 | 1 | 0.7 |
| Carboxyl (COOH) | 1 | 1 | 0.7 |
순위는 단일 권위 규칙이 아닌 축적된 문헌 증거를 반영합니다. 항상 샘플 상황에 대해 확인하세요.
이 할당의 배경이 되는 문헌
-
신뢰도 1.0
“Split from ν3 antisymmetric stretching”
Madupalli 等 - 2017 - Carbonate substitution in the mineral component of DOI: 10.1016/j.jssc.2017.07.025. -
Aromatic ring 신뢰도 1.0
“Text: 'characteristic peaks of aromatic ring at ... 1423'”
Zhang 和 Zhou - 2022 - Industrial lignins the potential for efficient re DOI: 10.21203/rs.3.rs-453856/v1 -
Carbonate 신뢰도 0.9
“Explicit assignment: CO3-2 stretching and bending bonds appear at 1423 cm-1 and 865 cm-1.”
Licciulli 等 - 2020 - Thermally Aerated Geopolymers as Lightweight Const DOI: 10.3390/app10196697 -
신뢰도 0.9
“Text: 'HCH and OCH in plane bending vibration in cellulose around 1423'”
Sabanovic 等 - 2020 - Simultaneous adsorption of heavy metals from water DOI: 10.2478/pjct-2020-0007 -
C-O single bond 신뢰도 0.9
“Explicitly assigned as ν CO.”
Vetter 等 - 2019 - Azurite in medieval illuminated manuscripts a ref DOI: 10.1186/s40494-019-0262-1 -
Carbohydrate 신뢰도 0.8
“Baseline corrected absorption peak at 1423 cm-1 sensitive to cellulose crystallinity.”
Stevulova 等 - 2014 - Properties Characterization of Chemically Modified DOI: 10.3390/ma7128131 -
Carboxyl (COOH) 신뢰도 0.7
“peaks at 1620 and 1423 represented two different functional groups in CMC”
Eliza 等 - 2015 - Carboxymethyl Cellulose (CMC) from Oil Palm Empty DOI: 10.1088/1742-6596/622/1/012026 -
Lignin 신뢰도 0.7
“Associated with lignin degradation.”
Zhang 等 - 2022 - Study of the long-term degradation behavior of bam DOI: 10.1038/s41529-022-00273-x
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