What absorbs at 3013 cm⁻¹ in an FTIR spectrum?
A band near 3013 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 |
|---|---|---|---|
| Alkene (C=C) | 2 | 2 | 1.0 |
| Alkyl C-H | 2 | 2 | 1.0 |
| Protein | 1 | 1 | 1.0 |
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
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Alkyl C-H 置信度 1.0
“cm-1 The investigation in the region 3050-2800 indicates cm-1 band ~ 3013 is because of the HC=CH stretching”
Spectral profile index changes as biomarker of toxicity in Catla catla (Hamilton, 1822) edible fish studied using FTIR and principle component analysis DOI: 10.1007/s42452-020-3001-z -
Alkene (C=C) 置信度 1.0
“LLM confirmed rule peak-group candidate”
Kinetic and Stoichiometric Modeling-Based Analysis of Docosahexaenoic Acid (DHA) Production Potential by Crypthecodinium cohnii from Glycerol, Glucose and Ethanol DOI: 10.3390/md20020115 -
Alkyl C-H 置信度 1.0
“(B) Lipid unsaturation levels, 2 3 (C) olefinic band and CH bands (ratio I 3013/ I 2851+2922);”
FTIR Spectroscopy as a Tool to Study Age-Related Changes in Cardiac and Skeletal Muscle of Female C57BL/6J Mice DOI: 10.3390/molecules26216410 -
Alkene (C=C) 置信度 1.0
“Peak intensity for olefinic band (~3013 cm-1olefinic band, C=CH stretching) and CH sum of the saturated lipid bands (~2922 2”
Fourier-Transform Infrared Spectroscopy as a Discriminatory Tool for Myotonic Dystrophy Type 1 Metabolism: A Pilot Study DOI: 10.3390/ijerph18073800 -
Protein 置信度 1.0
“3013 The positive bands in PC-1 are assigned to proteins and the negative bands are assigned to lipids, fatty acids and triglycerides.”
Monitoring Radiotherapeutic Response in Prostate Cancer Patients Using High Throughput FTIR Spectroscopy of Liquid Biopsies DOI: 10.3390/cancers11070925
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