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
可能的官能基指派
| 官能基 | 支持事實 | 引用來源 | 最高信心 |
|---|---|---|---|
| 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 |
排名反映累積的文獻證據，而非單一權威規則。請務必根據您的樣品背景進行確認。
這些指派背後的文獻
-
Alkyl C-H 信心 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 信心 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 信心 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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