FTIR峰解读
What absorbs at 1249 cm⁻¹ in an FTIR spectrum?
A band near 1249 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 5 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 |
|---|---|---|---|
| C-O single bond | 1 | 1 | 1.0 |
| Phenolic | 1 | 1 | 0.9 |
| Acetyl | 1 | 1 | 0.9 |
| C-S single bond | 1 | 1 | 0.9 |
| Sulfonyl | 1 | 1 | 0.9 |
| C n 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
-
C-O single bond 置信度 1.0
“1249 cm-1 represents C-O mode”
Yusoff 等 - 2018 - Theoretical and Experimental Approach Towards P-Cy DOI: 10.1088/1757-899X/374/1/012086 -
Sulfonyl 置信度 0.9
“Text: 'high-intensity band of asymmetric υ stretching vibrations (O=S=O) at 1249'”
Kazachenko 等 - 2022 - Catalytic Sulfation of Betulin with Sulfamic Acid DOI: 10.3390/ijms23031602 -
C-S single bond 置信度 0.9
“Text: 'two peaks appeared at 630 and 1249 ... C-S bonds'”
Shahzamani 等 - 2016 - Surface functionalization of rubber latex nanopart DOI: 10.1002/app.43268 -
Acetyl 置信度 0.9
“Peak assigned to acetylation.”
Song 等 - 2020 - Acetylated Polysaccharides From Pleurotus geestera DOI: 10.3390/ijms21082810 -
Phenolic 置信度 0.9
“Explicit assignment”
Kuila 等 - 2011 - Accessibility of Enzymatically Delignified Bambusa DOI: 10.4061/2011/805795
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