FTIR峰解读
What absorbs at 2343 cm⁻¹ in an FTIR spectrum?
A band near 2343 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 |
|---|---|---|---|
| Carbon dioxide | 4 | 3 | 0.9 |
| C-O single bond | 2 | 1 | 0.9 |
| Alkyl C-H | 1 | 1 | 0.8 |
| Carbonate | 1 | 1 | 0.7 |
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
-
C-O single bond 置信度 0.9
“CO band at 2343 cm-1”
Celorrio 等 - 2017 - Strain Effects on the Oxidation of CO and HCOOH on DOI: 10.1021/acscatal.6b03237 -
Carbon dioxide 置信度 0.9
“Text: 'Carbon dioxide give rise to a band at 2343'”
Haisch 等 - 2019 - The influence of adsorbed substances on alkaline m DOI: 10.1016/j.electacta.2018.10.073 -
Carbon dioxide 置信度 0.9
“Band at 2343 cm-1 assigned to O=C=O asymmetric stretching.”
da Silva 等 - 2019 - Iridium-Based Catalysts for the Ethanol Electrooxi DOI: 10.21577/0103-5053.20190072 -
Alkyl C-H 置信度 0.8
“Text states 'band appears at 2370.42, 2342.75 ... reflects the presence of alkyl group'.”
Nallappan 等 - 2017 - Biomimetic synthesis and anticancer activity of Eu DOI: 10.1049/iet-nbt.2016.0181 -
Carbon dioxide 置信度 0.7
“Text: 'discrete band at 2343 related to CO2(g), subsequently converted to carbonate'.”
Geraldes 等 - 2014 - Glycerol Electrooxidation in Alkaline Medium Using DOI: 10.5935/0103-5053.20140044
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