FTIR峰解读
What absorbs at 1688 cm⁻¹ in an FTIR spectrum?
A band near 1688 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 5 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 |
| Hydroxyl (O-H) | 1 | 1 | 0.9 |
| C=n | 1 | 0 | 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 0.9
“Explicit assignment in text.”
Elkasabi 等 - 2011 - Cellular transduction gradients via vapor-deposite DOI: 10.1016/j.biomaterials.2010.10.046. -
Carbonyl (C=O) 置信度 0.9
“Carbonyl band at 1688 cm-1 assigned to keto functional group.”
Fabry 等 - 2019 - Adaptive and automated system-optimization for het DOI: 10.1039/c9re00032a -
Carbonyl (C=O) 置信度 0.9
“Explicit assignment: 1688 belongs to C=O and -OH groups in acidification MWNT.”
Jia 等 - 2020 - Electrochemical preparation and application of PAN DOI: 10.1007/s13205-019-1950-y -
Carbonyl (C=O) 置信度 0.9
“Text: 'C = cm-1 O group stretching at 1688.47 and 1653.46'”
Wisudyaningsih 等 - 2019 - Co-crystallization of quercetin and isonicotinamid DOI: 10.4314/tjpr.v18i4.3 -
Carbonyl (C=O) 置信度 0.7
“Carbonyl stretching representing varying solvation.”
Li 等 - 2021 - Unveiling the self-association and desolvation in DOI: 10.1107/S2052252521003882
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