What absorbs at 1760 cm⁻¹ in an FTIR spectrum?
A band near 1760 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) | 7 | 4 | 1.0 |
| Ketone | 1 | 1 | 0.9 |
| Aldehyde (CHO) | 1 | 1 | 0.9 |
| Ester | 1 | 1 | 0.9 |
| Carboxyl (COOH) | 1 | 1 | 0.8 |
| C#c | 1 | 1 | 0.7 |
| Adsorbed carbon monoxide | 1 | 0 | 0.7 |
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
-
Carbonyl (C=O) 置信度 1.0
“Explicit assignment: 'carbonyl peak centered at 1760 cm-1'.”
Nardi 等 - 2013 - UV-cured transparent magnetic polymer nanocomposit DOI: 10.1016/j.polymer.2013 -
Carbonyl (C=O) 置信度 0.9
“PLGA carbonyl peak.”
Sutton 等 - 2006 - Poly(D, L-lactide-co-glycolide)poly(ethylenimine) DOI: 10.1002/app.22636 -
Ester 置信度 0.9
“Text: 'ester group vibration (located at 1760 cm-1)'.”
Bratu 等 - 2009 - Inclusion compound of Fosinopril with beta-cyclode DOI: 10.3233/SPE-2009-0373 -
Carbonyl (C=O) 置信度 0.9
“Explicit assignment: 'C=O have characteristic frequencies at approximately ... 1760 cm-1'”
Cordeiro 等 - 2023 - Evidence of Strong Guest-Host Interactions in Simv DOI: 10.3390/pharmaceutics15051320 -
Aldehyde (CHO) 置信度 0.9
“Explicit assignment: 'aldehyde and ketone (1760 cm-1)'”
Yang 等 - 2022 - Comprehensive Estimation of Combustion Behavior an DOI: 10.3390/en15072487 -
Carbonyl (C=O) 置信度 0.8
“carbonyl stretching”
Cetina-Diaz 等 - 2014 - Physicochemical characterization of segmented poly DOI: 10.1039/c3tb21500h -
Carboxyl (COOH) 置信度 0.8
“Stronger bands between 1760 and 1740 cm-1 assigned to COO-.”
Nguyen 等 - 2019 - Properties of Pectin Extracted from Vietnamese Man DOI: 10.3390/foods8120629 -
C#c 置信度 0.7
“Text: 'C≡C the bond in 1-propynylbenzene. The wide overtone ... cm-1 bands between 1760 and 1990 indicate the substituted'”
Kumar 等 - 2018 - Application of High-Resolution NMR and GC-MS to St DOI: 10.1021/acsomega.8b01284
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