What absorbs at 3037 cm⁻¹ in an FTIR spectrum?
A band near 3037 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 2 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 |
|---|---|---|---|
| Secondary amine | 1 | 1 | 1.0 |
| C n single bond | 1 | 1 | 1.0 |
| Amide | 1 | 1 | 1.0 |
| Aromatic ring | 1 | 1 | 1.0 |
| Alkyl C-H | 1 | 1 | 1.0 |
| Alkene (C=C) | 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
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Alkene (C=C) 置信度 1.0
“β γ, δ ε Ar-O-), 1.80-1.75 (m, 4H, to Ar-O-), 1.48-1.38 (m, 10H, and to Ar-O-) 1,10-Bis[4-(pyreneiminomethylidene)-phenoxy]-decane cm-1): ν, FTIR (KBr, 3037 (=C-H stretch of the aromatic rings), 2922, 2850 (C-H stretch of aliphatic chains),”
Mesomorphic Behavior of Symmetric Azomethine Dimers Containing Different Chromophore Groups DOI: 10.3390/molecules26082183 -
Amide 置信度 1.0
“cm-1 3N+ The (C-H 3) antisymmetric vibration observed at 3037 and the low-frequency cm-1 vibration of the methyl groups at 969.5 were attributed to the antisymmetric C-N-C stretch in the choline group of lipids.”
Effects of Hydrophobic Gold Nanoparticles on Structure and Fluidity of SOPC Lipid Membranes DOI: 10.3390/ijms241210226
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