What absorbs at 3075 cm⁻¹ in an FTIR spectrum?
A band near 3075 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 |
|---|---|---|---|
| N h | 2 | 2 | 1.0 |
| Alkyl C-H | 2 | 2 | 1.0 |
| C-O single bond | 1 | 1 | 1.0 |
| Methyl | 1 | 1 | 1.0 |
| Hydroxyl (O-H) | 1 | 1 | 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
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Alkyl C-H 置信度 1.0
“4ABN, the C-H stretching peaks are observed in IR at 3075 and 3030cm(cid:2)1”
Arjunan 等 - 2012 - Quantum chemical studies and vibrational analysis DOI: 10.1016/j.saa.2012.08.053 -
Alkyl C-H 置信度 1.0
“The second prominent peaks -CH which represent the stretching vibrations due to the presence of methyl/methylene are at 3050 and 2849 cm-1, and 3075, 2925 cm-1, only shown by TSW and MSW bio-chars, cm-1 group.”
Bio-Char Characterization Produced from Walnut Shell Biomass through Slow Pyrolysis: Sustainable for Soil Amendment and an Alternate Bio-Fuel DOI: 10.3390/en15010001 -
置信度 1.0
“In order to quantify the amount of HEMA in the plasma-exposed collagen films, band ratios N cm-1 cm-1 I of 1720 and 749 to 3075 (N-H of collagen, as internal standard) were calculated H - cm-1/3075 cm-1 and are shown in Figure 3.”
Chen 等 - 2014 - Non-thermal atmospheric plasma brush induces HEMA DOI: 10.1016/j.dental.2014.10.004. -
C-O single bond 置信度 1.0
“The 1027-1031 peaks were attributed to the glycosidic bond in peak belongs to Csp2-H symmetric vibration from of the alginate, while small 3075 cm-1 the polysaccharide chain.”
Antibacterial Biodegradable Films Based on Alginate with Silver Nanoparticles and Lemongrass Essential Oil–Innovative Packaging for Cheese DOI: 10.3390/nano11092377 -
Hydroxyl (O-H) 置信度 0.8
“Peaks at 3279 and 3075 attributed to vibrations of -OH and -NH”
Extraction of insoluble fibrous collagen for characterization and crosslinking with phenolic compounds from pomegranate byproducts for leather tanning applications DOI: 10.1039/d1ra08059h
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