What absorbs at 1420 cm⁻¹ in an FTIR spectrum?
A band near 1420 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
可能的官能团归属
| 官能团 | 支持性事实 | 引用来源 | 最高置信度 |
|---|---|---|---|
| Alkyl C-H | 9 | 9 | 1.0 |
| Hydroxyl (O-H) | 4 | 4 | 0.9 |
| Carbonate | 4 | 4 | 0.9 |
| Carboxyl (COOH) | 3 | 2 | 1.0 |
| Carbohydrate | 2 | 2 | 0.9 |
| Aromatic ring | 2 | 2 | 0.9 |
| C-O single bond | 1 | 1 | 1.0 |
| N-O bond | 1 | 1 | 0.9 |
| C n single bond | 1 | 0 | 0.9 |
| Silicon carbon | 1 | 0 | 0.8 |
排名反映了累积的文献证据，而非单一的权威规则。请始终对照您的样品背景进行确认。
这些分配背后的文献
-
C-O single bond 置信度 1.0
“Explicit: 'C-O bond absorption peak was observed near 1420'.”
Zhang 等 - 2021 - Effect of Waste Ceramic Powder on the Properties o DOI: 10.3390/polym13213797 -
Alkyl C-H 置信度 1.0
“Explicit: '1420 (aliphatic C-H bending and COO- asymmetric stretching)'.”
Zhang 等 - 2021 - Characterization of Ultrafiltration-Fractionated H DOI: 10.3390/agronomy11102030 -
Alkyl C-H 置信度 0.9
“C-H band”
Ebadi 等 - 2023 - Formulation and Characterization of Fe3O4@PEG Nano DOI: 10.3390/polym15040971 -
置信度 0.9
“Explicit assignment in text: 'peak at 1420 evidencing the presence of carbonated hydroxyapatite'”
Ghilotti 等 - 2023 - Remineralization Potential of Three Restorative Gl DOI: 10.3390/jcm12062434 -
置信度 0.9
“Text: 'glycosidic and CH2 vibration peak' at 1420 cm-1.”
Pambudi 等 - 2021 - Fabrication and characterization of modified micro DOI: 10.1016/j.matpr.2021.01.431 -
Hydroxyl (O-H) 置信度 0.9
“Band at 1420 assigned to O-H bending vibration.”
Rani 等 - 2016 - Investigation of biosourced carboxymethyl cellulos DOI: 10.1007/s11581-016-1728-8 -
置信度 0.9
“Explicitly assigned to oyster phase in FTIR spectra.”
AlBadr 等 - 2020 - The effectiveness of oyster filler on the physical DOI: 10.1063/5.0031467 -
Alkyl C-H 置信度 0.9
“Explicit assignment from text.”
Balogun 和 McDonald - 2016 - Decomposition kinetic study, spectroscopic and pyr DOI: 10.1007/s13399-015-0185-3
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