FTIR峰解读
What absorbs at 1687 cm⁻¹ in an FTIR spectrum?
A band near 1687 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 6 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) | 5 | 5 | 0.9 |
| Carboxyl (COOH) | 1 | 1 | 0.6 |
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 0.9
“C=O stretching band observed at 1687.47 cm-1.”
Batool 等 - 2019 - USE OF GLUTARIC ACID TO IMPROVE THE SOLUBILITY AND DOI: 10.32383/appdr/94246 -
Carbonyl (C=O) 置信度 0.9
“ν(C=O) band at 1687 cm-1”
Kowalczyk - 2008 - Synthesis, molecular structure and spectral proper DOI: 10.1016/j.molstruc.2007.04.036 -
Carbonyl (C=O) 置信度 0.9
“Explicit assignment in text”
Saucedo-Balderas 等 - 2015 - Synthesis, Molecular Structure of Diethyl Phenylen DOI: 10.5935/0103-5053.20140289 -
Carbonyl (C=O) 置信度 0.9
“Explicit assignment in text”
Taip 等 - 2022 - Fire-Retardant Property of Hexasubstituted Cyclotr DOI: 10.3390/polym14183768 -
Carbonyl (C=O) 置信度 0.9
“Text: 'intensified peaks at 1687' and 'C=O'”
Wang 等 - 2017 - In situ degradation of antibiotic residues in medi DOI: 10.1038/srep39928 -
Carboxyl (COOH) 置信度 0.6
“Same context as above”
Zhang 等 - 2013 - Influence of Different Carboxylic Acid Ligands on DOI: 10.1155/2013/768535
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