What absorbs at 1458 cm⁻¹ in an FTIR spectrum?
A band near 1458 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 |
|---|---|---|---|
| Alkyl C-H | 6 | 6 | 1.0 |
| Methyl | 3 | 3 | 1.0 |
| C-O single bond | 2 | 2 | 0.9 |
| Carbonyl (C=O) | 1 | 1 | 0.95 |
| Alkene (C=C) | 1 | 1 | 0.9 |
| Secondary amine | 1 | 1 | 0.7 |
| Lignin | 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
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Alkyl C-H 置信度 1.0
“35(1), 173-179 (2019) cm-1 and then dissolved with 20 mL of HCl 25% and 2 is a peak at 1458.2 indicates a vibration strain cm-1 mL of acetone after that stirred for ± 20 min until CH 2, at 1373.3 indicates the presence of CH 3.”
Aritonang 等 - 2019 - Grafting of Oleic Acid On Cyclic Natural Rubber Re DOI: 10.13005/ojc/350119 -
Alkyl C-H 置信度 1.0
“Assigned to CH2 in text.”
Lee 等 - 2023 - Effect of Repeated Contact to Food Simulants on th DOI: 10.3390/polym15010009 -
Alkyl C-H 置信度 1.0
“Assigned to C-H bond of polymers”
Madadi 和 Wei - 2022 - Characterization of Calcium Silicate Hydrate Gels DOI: 10.3390/gels8020075 -
Methyl 置信度 1.0
“Text: 'methyl and methylene at ... 1458'”
Zhang 和 Zhou - 2022 - Industrial lignins the potential for efficient re DOI: 10.21203/rs.3.rs-453856/v1 -
Carbonyl (C=O) 置信度 0.95
“Explicit assignment: '1458 (C=O stretching)'”
Rauta 等 - 2016 - Enhanced efficacy of clindamycin hydrochloride enc DOI: 10.1049/iet-nbt.2015.0021 -
C-O single bond 置信度 0.9
“Explicit assignment in text.”
Bertuola 等 - 2020 - Detection of carvacrol in essential oils by electr DOI: 10.1016/j.heliyon.2020.e03714 -
Alkene (C=C) 置信度 0.9
“Text: 'at peaks of 1458 and 890 the C=C bonds of the alkenes'”
Cho 等 - 2023 - Pyrolysis Process of Mixed Microplastics Using TG- DOI: 10.3390/polym15010241 -
置信度 0.9
“explicit assignment”
Cosnita 等 - 2022 - The Influence of Fly Ash on the Mechanical Propert DOI: 10.3390/polym14101957
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