What absorbs at 2244 cm⁻¹ in an FTIR spectrum?
A band near 2244 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 |
|---|---|---|---|
| Nitrile | 2 | 2 | 1.0 |
| Secondary amine | 1 | 1 | 1.0 |
| C n single bond | 1 | 1 | 1.0 |
| Amide | 1 | 1 | 1.0 |
| Isocyanate | 1 | 1 | 1.0 |
| Alkyl C-H | 1 | 1 | 1.0 |
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
-
Nitrile 置信度 1.0
“Inclusion of AN in AV polysaccharide has been evidenced by nitrile stretching peak at cm-1 2244 in FTIR spectrum of AVA Colon specific targeted in-vitro release of 5Np4.”
Synthesis of Aloevera/Acrylonitrile based Nanoparticles for targeted drug delivery of 5-Aminosalicylic acid DOI: 10.1016/j.ijbiomac.2017.08.085 -
Nitrile 置信度 1.0
“It is found that the nitrile peak at 2244 for the starting PAN cm-1 (C≡N1) disappears in favor of a new nitrile peak at 2199 which finally at higher cm-1 (C≡N2).”
Investigation of the chemical changes during thermal treatment of polyacrylonitrile and 15N-labelled polyacrylonitrile by means of in-situ FTIR and 15N NMR spectroscopy DOI: 10.1016/j.polymdegradstab.2017.10.018 -
Isocyanate 置信度 1.0
“the disappearance of isocyanate peak at 2244 using FTIR-ATR.”
Shoaib 和 Bahadur - 2016 - Synthesis of thermally and mechanically improved p DOI: 10.1515/epoly-2016-0134 -
Amide 置信度 1.0
“N and the polymerization was carried out at 2 cm-1 of peak at 2244 was attributed to the stretching flask After a desired time, cooling the to terminate ≡ vibration of C N, the peaks could be seen at the polymerization.”
Li 等 - 2019 - Synthesis of PAN with adjustable molecular weight DOI: 10.1080/15685551.2019.1678557 -
置信度 0.9
“Band at 2244 due to CN group”
Functional copolymer of geraniol and acrylonitrile: Synthesis and characterization DOI: 10.1002/app.26838
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