What absorbs at 2827 cm⁻¹ in an FTIR spectrum?
A band near 2827 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 | 3 | 2 | 1.0 |
| Methyl | 1 | 1 | 1.0 |
| Methoxy (OCH3) | 1 | 1 | 1.0 |
| Methacrylate | 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
“cm-1 2933 CH stretching alkane - cm-1 2827 CH stretching aldehyde -”
Leemarose 等 - 2021 - Sustainable Synthesis of Gold Nanoparticles and it DOI: 10.13005/ojc/370216 -
Acetate 置信度 1.0
“tujafilina Figure 1 shows FTIR spectrum of with marked peaks corresponding to: cm-1), C-O stretching vibrations of glucose (1018 C-O and C-C stretching vibrations or C-Ocm-1), H, C-O-C deformation of carbohydrates (1172 CH3 deformation vibr”
Changes in Chemical Composition and Accumulation of Cryoprotectants as the Adaptation of Anholocyclic Aphid Cinara tujafilina to Overwintering DOI: 10.3390/ijms22020511 -
置信度 0.9
“Text: 'peaks at 2827 that indicates presence of cetrimonium bromide'”
Size-strain analysis and elastic properties of CoFe<sub>2</sub>O<sub>4</sub> nanoplatelets by hydrothermal method DOI: 10.1016/j.molstruc.2017.09.104
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