FTIR峰解读
What absorbs at 2878 cm⁻¹ in an FTIR spectrum?
A band near 2878 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 6 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 | 4 | 0.9 |
| C-O single bond | 1 | 0 | 0.8 |
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 0.9
“Range 2964-2878 assigned to C-H.”
Chen 等 - 2022 - Tunable Thermo-Responsive Properties of Hydroxybut DOI: 10.3389/fchem.2022.830516 -
置信度 0.9
“Assigned to symmetric stretching at 2878 cm-1”
Cuiffo 等 - 2017 - Impact of the Fused Deposition (FDM) Printing Proc DOI: 10.3390/app7060579 -
Alkyl C-H 置信度 0.9
“Snippet: 'bands at 3352, 2878 attributed to the -OH and -CH groups.'”
Fernandes 等 - 2011 - Cytocompatibility of Chitosan and Collagen-Chitosa DOI: 10.1590/S0104-14282011005000008 -
Alkyl C-H 置信度 0.9
“Explicit assignment: 'peaks at 2991, 2900, and 2878/cm for C'”
Ghosal 等 - 2017 - Structural and Surface Compatibility Study of Modi DOI: 10.1208/s12249-016-0500-8 -
Alkyl C-H 置信度 0.9
“antisymmetric CH stretching vibration”
Kralik 和 Kopani - 2023 - Analysis of porous silicon structures using FTIR a DOI: 10.2478/jee-2023-0028 -
置信度 0.5
“Text: 'the 2878 stretching nanocomposite' (likely incomplete but indicates stretching)”
Zhang 等 - 2014 - Synthesis and Characterization of Chitosan-Nanosil DOI: 10.14233/ajchem.2014.17356
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