What absorbs at 3030 cm⁻¹ in an FTIR spectrum?
A band near 3030 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 |
|---|---|---|---|
| Alkyl C-H | 3 | 3 | 1.0 |
| Alkene (C=C) | 2 | 2 | 1.0 |
| Hydroxyl (O-H) | 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
-
Alkene (C=C) 置信度 1.0
“The 3030cm-1 (=C-H methylene protons at 5H of the 3-Octanoylthio-1-propyltriethoxysilane peak at stretching vibration) remains same after 2856cm-1 modification.”
Reactive grafting of 3-octanoylthio-1-propyltriethoxysilane in styrene butadiene rubber_ Characterization and its effect on silica reinforced tire composites DOI: 10.1016/j.polymer.2019.121693 -
Hydroxyl (O-H) 置信度 1.0
“The cm-1 The band shifting of the O-H groups in extract and nanoparticles around 3030 cm-1 conband shifting of the O-H groups in extract and nanoparticles around 3030 constituted”
Spectroscopic and Antibacterial Properties of CuONPs from Orange, Lemon and Tangerine Peel Extracts: Potential for Combating Bacterial Resistance DOI: 10.3390/molecules26030586 -
Alkyl C-H 置信度 1.0
“Both spectra, also show an cm-1, which comes from the C-H stretching vibration on absorption peak around 3030 position 3 and 4 of the thiophene ring.”
Dams 等 - 2006 - Plasma deposition of thiophene derivatives under a DOI: 10.1002/cvde.200606483 -
Alkyl C-H 置信度 1.0
“cm-1 with strong absorptions at 701 and 744 Additional peaks are observed at 3030 (C-H cm-1 stretching), 1454 and 1495 (aromatic ring breathing).”
Germinario 等 - 2016 - Chemical characterisation of spray paints by a mul DOI: 10.1016/j.microc.2015.04.016 -
Alkyl C-H 置信度 1.0
“The spectrum shows 3030 cm-1, 2963 cm-1, 2925 cm-1, and 2855 cm-1 lines interpreted as stretch C-H vibrations in =CH-, -CH2-”
Bound (“Glassy”) Rubber as a Free Radical Cross-linked Rubber Layer on a Carbon Black DOI: 10.3390/ma11101992
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