What absorbs at 1716 cm⁻¹ in an FTIR spectrum?
A band near 1716 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 |
|---|---|---|---|
| Carbonyl (C=O) | 13 | 12 | 1.0 |
| C-O single bond | 1 | 1 | 0.95 |
| Ester | 1 | 1 | 0.9 |
| Ketone | 1 | 1 | 0.9 |
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 1.0
“Calibration peak for hexanoic acid.”
Li 等 - 2018 - Novel method based on fourier transform infrared s DOI: 10.1080/10942912.2017.1381113 -
Carbonyl (C=O) 置信度 1.0
“Explicit assignment: 'carbonyl cm-1'”
Borges 等 - 2012 - Degree of Conversion of Simplified Contemporary Ad DOI: 10.2341/11-248-L -
C-O single bond 置信度 0.95
“Explicit assignment: 'at 1716 for asymmetric CO stretching'”
Pulyalina 等 - 2022 - Effect of ionic liquid on formation of copolyimide DOI: 10.1038/s41598-022-12377-0 -
Carbonyl (C=O) 置信度 0.9
“Explicitly stated: 'carbonyl (1716'”
Idrees 等 - 2021 - Structural, Physical, and Mechanical Analysis of Z DOI: 10.3390/ma14247507 -
Carbonyl (C=O) 置信度 0.9
“Explicit assignment in text.”
Li 等 - 2008 - Preparation of poly(amic acid) and polyimide deriv DOI: 10.1002/app.27136 -
Carbonyl (C=O) 置信度 0.9
“Snippet: 'peaks at 1716 and 1207 represent C=O stretching and C-O stretching'.”
Rahman 等 - 2017 - Extraction and Characterization of Cellulose Nanoc DOI: 10.3390/polym9110588 -
Ketone 置信度 0.9
“Explicit assignment in text.”
Wernle 和 Gilbert - 2005 - Micromechanics of shelf-aged and retrieved UHMWPE DOI: 10.1002/jbm.b.30285 -
Carbonyl (C=O) 置信度 0.9
“Explicit assignment: '1716cm-1 C=O due to vibration'”
Abdolahifard 等 - 2011 - Surface Modification of PET Fabric by Graft Copoly DOI: 10.5402/2011/265415
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