What absorbs at 2842 cm⁻¹ in an FTIR spectrum?
A band near 2842 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 3 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 | 2 | 2 | 1.0 |
| Methyl | 1 | 1 | 1.0 |
| Silicon hydride | 1 | 1 | 1.0 |
| Methoxy (OCH3) | 1 | 1 | 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
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Hydroxyl (O-H) 置信度 1.0
“ACCEPTED MANUSCRIPT cm-1 band at 2842 and 1685 indicated the presence of -OH stretching of intramolecular hydrogen 237 bond, C=O stretching and C-H stretching of alkanes.”
Antibacterial, antibiofilm and cytotoxic effects of Nigella sativa essential oil coated gold nanoparticles DOI: 10.1016/j.micpath.2015.11.021 -
Alkyl C-H 置信度 1.0
“FT-IR of IBTMS, Ce (NO 3) 3, W 1, PS and MCs cm-1, As shown in Figure 1C, the spectrum of IBTMS has an absorption band of 2842 which is attributed to the (C-H) bonds stretching vibrations of methoxy groups (-OCH 3)”
Enhanced Coating Protection of C-Steel Using Polystyrene Clay Nanocomposite Impregnated with Inhibitors DOI: 10.3390/polym15020372 -
Methyl 置信度 1.0
“Text: 'methyl and methylene at ... 2842'”
Zhang 和 Zhou - 2022 - Industrial lignins the potential for efficient re DOI: 10.21203/rs.3.rs-453856/v1
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