What absorbs at 1525 cm⁻¹ in an FTIR spectrum?
A band near 1525 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 |
|---|---|---|---|
| N h | 3 | 3 | 1.0 |
| Amide | 2 | 2 | 1.0 |
| Aromatic ring | 1 | 1 | 1.0 |
| C-O single bond | 1 | 1 | 1.0 |
| Protein | 1 | 1 | 0.9 |
| Lignin | 1 | 1 | 0.7 |
| Alkene (C=C) | 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
-
Amide 置信度 1.0
“Transmittance peak at 1525 cm-1 corresponding to band II of amide.”
Ryu 等 - 2010 - Carbon Nanotube Mat as Mediator-Less Glucose Senso DOI: 10.1166/jnn.2010.1892 -
N h 置信度 1.0
“Band at 1525 cm-1 for N-H bending.”
Perez-Puyana 等 - 2018 - Development of PVAgelatin nanofibrous scaffolds f DOI: 10.1088/2053-1591/aab164 -
N h 置信度 1.0
“N-H bending.”
Perez-Puyana 等 - 2019 - Assessment of the denaturation of collagen protein DOI: 10.1515/hsz-2019-0206 -
C-O single bond 置信度 1.0
“Text: 'peak intensities at 1525 (δ C-O-H, aromatic ring)'”
Piorecka 等 - 2020 - Hydrophilic Polyhedral Oligomeric Silsesquioxane, DOI: 10.3390/ma13235512 -
Amide 置信度 0.9
“Explicit assignment: amide II from proteins.”
Depciuch 等 - 2022 - EFFECT OF HIGH BLOOD CORTISOL CONCENTRATION ON THE DOI: 10.21203/rs.3.rs-228476/v1 -
N h 置信度 0.9
“N-H band”
Alhendi 等 - 2022 - Structural Conformation Comparison of Different Cl DOI: 10.3390/dj10050073 -
置信度 0.9
“Explicit assignment: 'characteristic bands of carotenoids at ~1525'”
Montero 等 - 2021 - Differential Membrane Lipid Profiles and Vibration DOI: 10.3390/ijms222011277 -
Lignin 置信度 0.7
“Mentioned as 'band around 1525' in context of lignin, less affected by treatment.”
Emmanuel 等 - 2015 - FTIR spectroscopy of woods A new approach to stud DOI: 10.1016/j.saa.2014.10.011
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