What absorbs at 3373 cm⁻¹ in an FTIR spectrum?
A band near 3373 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) | 5 | 4 | 0.95 |
| N h | 3 | 3 | 1.0 |
| Amine primary | 2 | 2 | 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
-
N h 置信度 1.0
“assigned to N-H vibrations”
Kavanaugh 等 - 2016 - Human mesenchymal stem cell behavior on segmented DOI: 10.1007/s10856-015-5654-5. -
N h 置信度 0.9
“N-H absorption peak”
Cetina-Diaz 等 - 2014 - Physicochemical characterization of segmented poly DOI: 10.1039/c3tb21500h -
Amine primary 置信度 0.9
“Assigned to NH2 asymmetric stretching.”
Kartal - 2016 - Synthesis, spectroscopic, thermal and structural p DOI: 10.1016/j.saa.2014.12.117 -
Hydroxyl (O-H) 置信度 0.9
“Explicit assignment: 'broad peak at 3373 cm-1' attributed to O-H stretching”
Salem 等 - 2017 - Study of the effect of surface treatment of kenaf DOI: 10.1088/1742-6596/908/1/012001 -
Amine primary 置信度 0.9
“Text: 'three sharp absorption bundles at regions 3373cm-1' and 'NH2'”
Abbas 等 - 2019 - Preparation, Diagnosis, Biological Activity, and T DOI: 10.1155/2019/8962923 -
Hydroxyl (O-H) 置信度 0.9
“Text: 'At 3373 was -OH and part of the N-H stretching vibration'”
Bi 等 - 2019 - A Soluble Humic Substance for the Simultaneous Rem DOI: 10.3390/ijerph16244999 -
Hydroxyl (O-H) 置信度 0.9
“Text: 'peaks observed at 3373 ... of OH group'”
Kumari 等 - 2019 - Effect of copper nanoparticles on physico-chemical DOI: 10.1007/s13205-019-1624-9 -
Hydroxyl (O-H) 置信度 0.9
“Explicit assignment: 'principal absorption peaks at 3372.75 (symmetrical O-H frequency shifted to lower region)'”
Roy 和 Roy - 2017 - Cage to cage study of ionic liquid and cyclic olig DOI: 10.1039/c7ra08397a
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