What absorbs at 2125 cm⁻¹ in an FTIR spectrum?
A band near 2125 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 |
|---|---|---|---|
| C n single bond | 2 | 2 | 0.8 |
| C-O single bond | 2 | 1 | 0.9 |
| Nitrile | 1 | 1 | 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
-
置信度 0.9
“Band at 2125 cm-1 attributed to Au-H species.”
Abdel-Mageed 等 - 2021 - Fundamental Aspects of Ceria Supported Au Catalyst DOI: 10.1002/cphc.202100027 -
C-O single bond 置信度 0.9
“CO adsorption on FTIR spectra at 2125 cm-1”
Gao 等 - 2022 - Converting waste PET plastics into automobile fuel DOI: 10.1038/s41467-022-31078-w -
C n single bond 置信度 0.8
“Peak upon binding to Mb.”
Blouin 和 Olson - 2010 - The Stretching Frequencies of Bound Alkyl Isocyani DOI: 10.1021/bi100172c. -
C n single bond 置信度 0.8
“CN stretching peak observed.”
Rafe 和 Razavi - 2015 - Effect of Thermal Treatment on Chemical Structure DOI: 10.1080/10942912.2014.999864 -
Nitrile 置信度 0.8
“Text states 'two peaks (2125 and 2200 cm-1) ... corresponding to C≡N, C=N, C-N bonds'.”
Wu 等 - 2009 - Bonding structure and optical properties of a-CNx DOI: 10.1016/j.vacuum.2009.04.055
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