FTIR峰解读
What absorbs at 1575 cm⁻¹ in an FTIR spectrum?
A band near 1575 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 |
|---|---|---|---|
| Amide | 4 | 4 | 1.0 |
| C n single bond | 2 | 2 | 0.9 |
| C c single bond | 2 | 2 | 0.8 |
| N h | 1 | 1 | 0.9 |
| Carboxyl (COOH) | 1 | 1 | 0.8 |
| C=n | 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
-
Amide 置信度 1.0
“Explicit assignment.”
Zaman 等 - 2022 - Fabrication of PEGylated Chitosan Nanoparticles Co DOI: 10.3390/molecules27238401 -
Amide 置信度 0.9
“Explicit assignment: 'Amide-II 1575cm-1 (νCN) (δNH)'”
Elgamouz 等 - 2019 - The Effects of Storage on Quality and Nutritional DOI: 10.3390/biom9090442 -
Amide 置信度 0.9
“Explicit assignment in snippet.”
Alahmad 等 - 2023 - Influence of the Enzymatic Hydrolysis Using Flavou DOI: 10.3390/molecules28020519 -
置信度 0.9
“Ca2+-bound feature around 1575 cm-1”
Edington 等 - 2019 - Non-Additive Effects of Binding Site Mutations in DOI: 10.1021/acs.biochem.9b00096. -
Amide 置信度 0.9
“Amide II CN stretching and NH bending between 1480-1575 cm-1.”
Elgamouz 等 - 2020 - Dataset in the characterization of black spot Ehre DOI: 10.1016/j.dib.2019.104927 -
置信度 0.9
“Explicit assignment in text.”
Guo 和 Wang - 2022 - Fabrication and Characterization of Activated Carb DOI: 10.3390/pr10091712 -
C c single bond 置信度 0.8
“C-C stretching vibrations in IR spectrum.”
Arjunan 等 - 2012 - Quantum chemical studies and vibrational analysis DOI: 10.1016/j.saa.2012.08.053 -
Carboxyl (COOH) 置信度 0.8
“Doublet at 1535 and 1575 at higher concentration”
Foucaud 等 - 2021 - Adsorption mechanisms of fatty acids on fluorite u DOI: 10.1016/j.jcis.2020.09.062
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