What absorbs at 1708 cm⁻¹ in an FTIR spectrum?
A band near 1708 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 | 1.0 |
| Urethane | 1 | 1 | 0.9 |
| Triglyceride | 1 | 1 | 0.9 |
| Ester | 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
-
Carbonyl (C=O) 置信度 1.0
“Explicit assignment: 'carbonyl band at 1708'.”
Fahim 等 - 2014 - A Green Approach for the Determination of Selected DOI: 10.5935/0103-5053.20140188 -
Carbonyl (C=O) 置信度 0.95
“Explicit assignment: 'a peak at 1708 cm-1 ... for C=O'”
Hamza 等 - 2023 - A Phosphonic Functionalized Biopolymer for the Sor DOI: 10.3390/su15032843 -
Carbonyl (C=O) 置信度 0.9
“absorption bands of OA”
Bahadi 等 - 2021 - Synthesis and Characterization of Green Biodegrada DOI: 10.33263/BRIAC116.1435914371 -
Carbonyl (C=O) 置信度 0.9
“C=O band at 1708 cm-1 corresponding to carboxylic acid”
Cruz 等 - 2019 - Monitoring Enzymatic Hydroesterification of Low-Co DOI: 10.3390/catal9060535 -
Carbonyl (C=O) 置信度 0.9
“Attributed to C=O due to formation of hydrogen bonding.”
Dahmash 等 - 2018 - Quality by Design (QbD) based process optimisation DOI: 10.1371/journal. -
Carbonyl (C=O) 置信度 0.9
“Explicit assignment as C=O carbonyl absorption band.”
Grivel 等 - 2020 - Thermal decomposition of Yttrium 2-methylbutyrate DOI: 10.1016/j.jaap.2020.104898 -
Carbonyl (C=O) 置信度 0.9
“Peak at 1708 cm-1 assigned to C=O stretching.”
Miranda 等 - 2017 - Soil-release behaviour of polyester fabrics after DOI: 10.1088/1757-899X/254/3/032005 -
Ester 置信度 0.9
“Band at 1708 cm-1 in naproxen shifted to 1730 after coupling with PEG to form ester.”
Munjal 等 - 2018 - Coreshell nanoassembly of amphiphilic naproxen-po DOI: 10.1049/iet-nbt.2017.0219
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