What absorbs at 3380 cm⁻¹ in an FTIR spectrum?
A band near 3380 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 |
|---|---|---|---|
| Hydroxyl (O-H) | 10 | 10 | 1.0 |
| N h | 3 | 3 | 0.9 |
| Carbonyl (C=O) | 1 | 1 | 1.0 |
| Carbohydrate | 1 | 1 | 1.0 |
| Amine primary | 1 | 1 | 0.9 |
| Water (H2O) | 1 | 1 | 0.8 |
| Amide | 1 | 0 | 0.9 |
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
-
Hydroxyl (O-H) 置信度 1.0
“Besides, heterocyclic aromatic compounds such as quinoline cm-1 observed at 3380 (O H stretching in hydroxyl Bands and quinazoline were observed.”
Avanthi 和 Banerjee - 2016 - A strategic laccase mediated lignin degradation of DOI: 10.1016/j.indcrop.2016.08.009 -
Carbohydrate 置信度 1.0
“Explicit assignment: 'peaks at 3380 and 2924 suggested the presence of carbohydrates'”
Phetrit 等 - 2020 - Characterization of Nipa Palm's (Nypa fruticans Wu DOI: 10.1007/s12355-019-00756-3 -
Carbonyl (C=O) 置信度 1.0
“explicit assignment”
Abd El-Halim 等 - 2021 - The Potential Synergistic Activity of Zolmitriptan DOI: 10.2147/IJN.S325697 -
Hydroxyl (O-H) 置信度 1.0
“Explicit assignment: 'characteristic bands of OH (3380 cm-1)'”
Bradley 等 - 2016 - Do the mechanical and chemical properties of Invis DOI: 10.1093/ejo/cjv003 -
Hydroxyl (O-H) 置信度 0.9
“Text: 'broad peak of -OH group around 3380 cm-1'.”
Rojekar 等 - 2021 - Novel pulsed oxygen plasma mediated surface hydrop DOI: 10.1016/j.jddst.2021.102497 -
Amine primary 置信度 0.9
“Part of forked band assigned to -NH2 stretching.”
Amin 等 - 2023 - An Intragastric Delivery Device Employing FDM Tech DOI: 10.1208/s12249-023-02578-9 -
Hydroxyl (O-H) 置信度 0.9
“Explicit assignment: broad absorption at 3380 cm-1 correspond to OH.”
Haider 等 - 2020 - Green Synthesized Phytochemically (Zingiber offici DOI: 10.1186/s11671-020-3283-5 -
N h 置信度 0.9
“Explicit assignment: stretching vibration of N-H.”
Hu 等 - 2020 - Montmorillonite-Synergized Water-Based Intumescent DOI: 10.3390/coatings10020109
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