What absorbs at 1158 cm⁻¹ in an FTIR spectrum?
A band near 1158 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 8 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 | 4 | 4 | 0.9 |
| Alkyl C-H | 1 | 1 | 1.0 |
| Ester | 1 | 1 | 0.9 |
| C n single bond | 1 | 1 | 0.9 |
| Carbohydrate | 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
-
Alkyl C-H 置信度 1.0
“Explicit assignment: '1158 (C-H stretching)'”
Ballav 和 Biswas - 2004 - Preparation and evaluation of nanocomposites of po DOI: 10.1002/pi.1562 -
C-O single bond 置信度 0.9
“Text: 'bands formed at 1158 ... result of stretching vibration (C-O vibration)'”
Kayani 等 - 2021 - Effect of Varying Amount of Polyethylene Glycol (P DOI: 10.3390/ijms22052290 -
C-O single bond 置信度 0.9
“Explicit assignment: '1158 C-O-C stretching Cell and H-cell'”
Di Girolamo 等 - 2016 - Enhanced substrate degradation and methane yield w DOI: 10.1016/j.biombioe.2015.12.029 -
C n single bond 置信度 0.9
“attributed to CN”
Pozzi 等 - 2021 - Aiding the cleaning of four 19th-century Tsimshian DOI: 10.1186/s40494-021-00513-4 -
Ester 置信度 0.9
“Text states 'esters vibrations, occurring at 1745 and 1158 cm-1'.”
Svecnjak 等 - 2015 - AN APPROACH FOR ROUTINE ANALYTICAL DETECTION OF BE DOI: 10.1515/JAS-2015-0018 -
C-O single bond 置信度 0.8
“Explicit assignment: '1158 C-O-C absent 1205 (?) symmetric stretching, OH plane deformation (compl)'”
Mikhailidi 等 - 2020 - HIGHLY POROUS HYBRID COMPOSITE HYDROGELS BASED ON DOI: 10.5772/intechopen.80898 -
Carbohydrate 置信度 0.8
“Snippet: '1158, 1374 assigned to H, cellulose' (H likely holocellulose)”
Monachon 等 - 2021 - Evaluation of an alternative biotreatment for the DOI: 10.1140/epjp/s13360-021-01908-9 -
C-O single bond 置信度 0.8
“Stretching of C-O in cellulose, hemicelluloses, lignin, or C-O-C in cellulose/hemicelluloses.”
Perrone 等 - 2016 - Ozonolysis combined with ultrasound as a pretreatm DOI: 10.1016/j.biortech.2016.06.072
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