What absorbs at 1712 cm⁻¹ in an FTIR spectrum?
A band near 1712 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) | 8 | 6 | 0.9 |
| Carboxyl (COOH) | 2 | 2 | 1.0 |
| Alkyl C-H | 1 | 1 | 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
-
Carboxyl (COOH) 置信度 1.0
“carbonyl index peak”
Brandao 等 - 2022 - Influence of the nature of pro-oxidants on the pho DOI: 10.1016/j.heliyon.2022.e10217 -
置信度 0.95
“Explicit assignment in text.”
Cubric 等 - 2022 - Evaluation of Changes in Polymer Material Properti DOI: 10.3390/polym14091682 -
置信度 0.95
“Explicit assignment: 'sharp peaks at approximately 1712 cm-1 are stretching vibrations of the C≡O ester groups'”
Markowicz 和 Szymanska-Pulikowska - 2021 - Assessment of the Decomposition of Oxoand Biodeg DOI: 10.3390/ma14216449 -
Carbonyl (C=O) 置信度 0.9
“Explicit assignment: '1712 (vs, symmetric C@O stretching)'.”
Chao 等 - 2007 - Electroactive polyimide with oligoaniline in the m DOI: 10.1016/j.eurpolymj.2007.03.048 -
Carbonyl (C=O) 置信度 0.9
“Assigned to free (monomer) C=O in cyclohexanone.”
Sarkhosh 等 - 2010 - Large thermally induced nonlinear refraction of go DOI: 10.1002/pssa.201026021 -
Carbonyl (C=O) 置信度 0.9
“Text: 'peak at 1712 which is assigned to carbonyl band C=O of the carboxylic acid.'”
Abd Ghani 等 - 2020 - Modification of PTFE Flat Sheet Film via Radiation DOI: 10.17576/jsm-2020-4901-21 -
置信度 0.9
“Explicit assignment in text.”
Dodi 等 - 2022 - Use of Fourier-Transform Infrared Spectroscopy for DOI: 10.3390/app12094371 -
Carbonyl (C=O) 置信度 0.9
“Text mentions 'shoulder at 1712' as carbonyl vibration.”
Girard 等 - 2012 - Tomato GDSL1 Is Required for Cutin Deposition in t DOI: 10.1105/tpc.112.101055
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