What absorbs at 1335 cm⁻¹ in an FTIR spectrum?
A band near 1335 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 | 3 | 3 | 0.9 |
| Carbohydrate | 2 | 2 | 0.8 |
| Carbonyl (C=O) | 1 | 1 | 0.8 |
| Hydroxyl (O-H) | 1 | 1 | 0.8 |
| Methyl | 1 | 1 | 0.8 |
| Ring structure | 1 | 0 | 0.8 |
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
-
Alkyl C-H 置信度 0.9
“C-H band at 1335 assigned to asymmetric angular deformation.”
Ivan Penas 等 - 2021 - Nanostructural organization of thin films prepared DOI: 10.1016/j.polymer.2021.123812 -
Alkyl C-H 置信度 0.9
“Explicit assignment in text: '1335 δ(CH2)'”
Margariti - 2019 - The application of FTIR microspectroscopy in a non DOI: 10.1186/s40494-019-0304-8 -
Methyl 置信度 0.8
“Band at 1335 due to methyl group”
Sharma 和 Srivastava - 2008 - Functional copolymer of geraniol and acrylonitrile DOI: 10.1002/app.26838 -
Alkyl C-H 置信度 0.8
“Overlapping bands assigned to C-H wagging.”
Balogun 和 McDonald - 2016 - Decomposition kinetic study, spectroscopic and pyr DOI: 10.1007/s13399-015-0185-3 -
置信度 0.8
“Background reference for 1320 peak”
Delgado 和 Young - 2021 - Modelling ATR-FTIR Spectra of Dental Bonding Syste DOI: 10.3390/ma14040760 -
Hydroxyl (O-H) 置信度 0.8
“Text: 'the peak at 1335 from the bending of O-H CH2-OH group'.”
Samolov 等 - 2021 - Improvement of VIS and IR camouflage properties by DOI: 10.1016/j.dt.2020.10.008 -
Carbohydrate 置信度 0.8
“Snippet states 'polysaccharide absorptions: at 900, 1085 and 1335'”
Traore 等 - 2018 - Differentiation between pine woods according to sp DOI: 10.1007/s00226-017-0967-9 -
Carbonyl (C=O) 置信度 0.8
“Symmetrical vibration of carbonyl group at 1335 cm-1.”
de Matos Costa 等 - 2020 - Properties of Biodegradable Films Based on Poly(bu DOI: 10.1063/1.5046042).
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