What absorbs at 1717 cm⁻¹ in an FTIR spectrum?
A band near 1717 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) | 11 | 10 | 0.95 |
| Carboxyl (COOH) | 3 | 3 | 1.0 |
| Amide | 1 | 1 | 0.9 |
| Ester | 1 | 1 | 0.9 |
| Imide | 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
-
Carboxyl (COOH) 置信度 1.0
“Explicitly associated in text: 'peak at 1717 cm-1 corresponds to carboxyl groups'”
Daud 等 - 2017 - Functionalizing Graphene Oxide with Alkylamine by DOI: 10.3390/nano7060135 -
Carbonyl (C=O) 置信度 0.95
“Explicit assignment: 'strong sharp peak around 1717 which is due to C=O'”
Pompa-Monroy 等 - 2020 - Bacterial Biofilm Formation Using PCLCurcumin Ele DOI: 10.3390/ma13235556 -
Carbonyl (C=O) 置信度 0.9
“Explicit assignment: '1717 which cm-1 refers to (C O) group of a free aldehyde end of glutaraldehyde'.”
Hashem 等 - 2016 - Covalent immobilization of Enterococcus faecalis E DOI: 10.1016/j.ijbiomac.2015.09.076 -
Carbonyl (C=O) 置信度 0.9
“Carbonyl band at 1717 cm-1 used for carbonyl index.”
Klepac 等 - 2014 - Influence of high doses gamma-irradiation on oxyge DOI: 10.1016/j.radphyschem.2013.12.005 -
Carboxyl (COOH) 置信度 0.9
“Explicit assignment: C=O stretching of COOH.”
Zulikifli 等 - 2017 - Synthesis of Gold Nanoparticles on Multi-walled Ca DOI: 10.1063/1.4999889 -
Imide 置信度 0.9
“Explicit assignment in text.”
Aly 等 - 2020 - Corrosion Resistance of Mild Steel Coated with Pht DOI: 10.3390/coatings10111114 -
Ester 置信度 0.9
“Explicit assignment in text”
Cetinkaya 等 - 2020 - D-Glucose-fatty Acid Ester Synthesis with or witho DOI: 10.5650/jos.ess20072 -
置信度 0.9
“Explicit assignment: 'C=O stretches' and 'carbonyl groups in acid'.”
Loos 和 Gomes - 2009 - In situ-polymerization of fluorinated polyoxadiazo DOI: 10.1016/j.matlet.2008.11.042
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