What absorbs at 2810 cm⁻¹ in an FTIR spectrum?
A band near 2810 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 5 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 | 3 | 1.0 |
| Methacrylate | 2 | 2 | 1.0 |
| Ketone | 2 | 2 | 1.0 |
| Ester | 2 | 2 | 1.0 |
| Carboxyl (COOH) | 2 | 2 | 1.0 |
| Carbonyl (C=O) | 2 | 2 | 1.0 |
| Amide | 2 | 2 | 1.0 |
| Acetate | 2 | 2 | 1.0 |
| N-O bond | 1 | 1 | 1.0 |
| Hydroxyl (O-H) | 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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Acetate 置信度 1.0
“The Salcan be assigned as follows: (O-H stretching), 2881cm-1 monella cell had a spectrum with unique peaks at wave num- (C-H asymmetric stretching of CH in aliphatic 2 2810cm-1 bers 1654 C=O vibration stretching of amide I, 1544 C-N compou”
Sukprasert 等 - 2020 - Synchrotron FTIR Light Reveals Signal Changes of B DOI: 10.1155/2020/6149713 -
Hydroxyl (O-H) 置信度 1.0
“Confirmation of MC/PC Backbone According to the literature, the FTIR spectrum of pristine MC exhibits characteristic belonging to O-H stretching, and C-H asymmetric bands in the vicinity of 3250 and 2810 cm-1 stretching, respectively.”
Substantial Proton Ion Conduction in Methylcellulose/Pectin/Ammonium Chloride Based Solid Nanocomposite Polymer Electrolytes: Effect of ZnO Nanofiller DOI: 10.3390/membranes12070706 -
Acetate 置信度 1.0
“The peaks at 2950 and 2810 cm-1 were attributed cm-1 C=O -CH 2stretching vibrations of the PEI.”
Facile Construction of Functionalized GO Nanocomposites with Enhanced Antibacterial Activity DOI: 10.3390/nano9070913 -
Alkyl C-H 置信度 1.0
“LLM confirmed rule peak-group candidate”
Samie 等 - 2018 - Design, Formulation and In Vitro Evaluation of Sus DOI: 10.4274/tjps.29200 -
N-O bond 置信度 1.0
“peak 3402.43 and 2809.80 However, no new peak appeared in the spectrum of zophora spp.”
Influence of Different Percentages of Binders on the Physico-Mechanical Properties of Rhizophora spp. Particleboard as Natural-Based Tissue-Equivalent Phantomfor Radiation Dosimetry Applications DOI: 10.3390/polym13111868
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