What absorbs at 1508 cm⁻¹ in an FTIR spectrum?
A band near 1508 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 7 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 |
|---|---|---|---|
| Lignin | 2 | 2 | 0.9 |
| Aromatic ring | 1 | 1 | 0.9 |
| Alkene (C=C) | 1 | 1 | 0.9 |
| Amide | 1 | 1 | 0.7 |
| Protein | 1 | 1 | 0.6 |
| Lipid | 1 | 1 | 0.6 |
| C n single bond | 1 | 0 | 0.9 |
| C c single bond | 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
-
置信度 1.0
“Explicit assignment: 'deformation vibration is identified at 1508 can be assigned to aromatic C-C (in ring) stretching vibration'”
Muresan-Pop 等 - 2011 - Spectroscopic and physical-chemical characterizati DOI: 10.3233/SPE-2011-0519 -
Alkene (C=C) 置信度 0.9
“Explicit assignment: '1508 C@C'.”
Chao 等 - 2007 - Electroactive polyimide with oligoaniline in the m DOI: 10.1016/j.eurpolymj.2007.03.048 -
Aromatic ring 置信度 0.9
“attributed to aromatic groups”
Khan 等 - 2021 - The Structural, Physical, and In Vitro Biological DOI: 10.14744/eej.2020.36349 -
Lignin 置信度 0.9
“Reduction in peak intensities at 1508 cm-1 assigned to lignin.”
Shafiei 等 - 2014 - Enhanced Ethanol and Biogas Production from Pinewo DOI: 10.1155/2014/469378 -
置信度 0.7
“Text: 'moderate bands in the 1508 cm-1 to 1156 region is attribute... ring structures'”
Cai 等 - 2022 - Performance of Binderless Board Manufactured Using DOI: 10.15376/biores.17.4.6692-6705 -
Amide 置信度 0.7
“Text: 'also observed at 1508' in context of secondary amide.”
Humayun 等 - 2022 - 3D printed antimicrobial PLA constructs functional DOI: 10.1080/10667857.2020.1806188. -
Lipid 置信度 0.6
“Same sentence as 1630”
Bilska-Kos 等 - 2022 - Cell Wall Properties Determine Genotype-Specific R DOI: 10.3390/cells11030547
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