What absorbs at 2896 cm⁻¹ in an FTIR spectrum?
A band near 2896 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 3 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 |
|---|---|---|---|
| Alkyl C-H | 4 | 3 | 1.0 |
| Methoxy (OCH3) | 1 | 1 | 1.0 |
| Methacrylate | 1 | 1 | 1.0 |
| C-O single bond | 1 | 1 | 1.0 |
| Acetate | 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
-
Alkyl C-H 置信度 1.0
“Assigned to CH2 in text.”
Effect of Repeated Contact to Food Simulants on the Chemical and Functional Properties of Nano ZnO Composited LDPE Films for Reusable Food Packaging DOI: 10.3390/polym15010009 -
Alkyl C-H 置信度 1.0
“The bands at 2896cm-1 and 1109 cm-1 are attributed to C-H and C-O-C group on PEG-CO-NHS respectively.”
Liu 等 - 2014 - NIR initiated and pH sensitive single-wall carbon DOI: 10.1039/C3TB21362E. -
Alkyl C-H 置信度 1.0
“the bands corresponding to the C-H stretching are located at 2953 and 2896 cm-1 Moreover, for the synthesized Du1800-Pd precursor, the C-H vibrations bands at 3042 cm-1, and 3006 which can be assigned to the vinyl groups, vanish, and new ba”
Porous Silicon Oxycarbonitride Ceramics with Palladium and Pd2Si Nanoparticles for Dry Reforming of Methane DOI: 10.3390/polym14173470
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