What absorbs at 1293 cm⁻¹ in an FTIR spectrum?
A band near 1293 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-O single bond | 3 | 3 | 0.9 |
| C c single bond | 1 | 1 | 0.9 |
| Carbonyl (C=O) | 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
“Explicit assignment: 'absorption bands of 1394 and 1293 (phenolic C-O-H)'”
Jeon 等 - 2014 - Oxidative Gelation of Dopamine-modified Polyaspart DOI: 10.7317/pk.2014.38.1.108 -
C-O single bond 置信度 0.9
“Text: 'C-O and C-C (crystal phase) stretching absorption at 1293 cm-1'”
Jeon 等 - 2018 - Improvements in the Rheological Properties, Impact DOI: 10.1155/2018/5316175 -
C-O single bond 置信度 0.9
“Text: '1293cm-1 (C-O stretching)'”
Kim 等 - 2014 - Fabrication and Characterization of PCLTiO2 Nanop DOI: 10.7317/pk.2014.38.2.150 -
C-O single bond 置信度 0.9
“typical bands for PCL”
Rajzer 等 - 2021 - Conductive Polyaniline Patterns on Electrospun Pol DOI: 10.3390/ma14174837 -
Carbonyl (C=O) 置信度 0.8
“Mentioned as corresponding peak in Pb(II) salt for same group.”
Echeverria 等 - 2017 - Structural and IRspectroscopic characterization DOI: 10.1515/znb-2017-0116
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