What absorbs at 1274 cm⁻¹ in an FTIR spectrum?
A band near 1274 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 |
|---|---|---|---|
| C-O single bond | 3 | 3 | 0.9 |
| Fluorine (C-F) | 1 | 1 | 0.9 |
| Methyl | 1 | 1 | 0.9 |
| Ester | 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
-
置信度 1.0
“Explicit assignment: 'band at 1274 possessed high percentages of the phenol-imine tautomer due to stabilization of the phenolic C-O'”
Yildirim 等 - 2018 - DFT calculation, biological activity, anion sensin DOI: 10.2298/JSC171001009Y -
C-O single bond 置信度 0.9
“Assigned to C-O-C vibration.”
Nandiyanto 等 - 2016 - Synthesis of carbon nanoparticles from commerciall DOI: 10.1088/1757-899X/128/1/012042 -
Methyl 置信度 0.9
“Explicit assignment: '-CH3 symmetric deformation vibration peaks at 1273.63 cm-1'”
Guo 等 - 2018 - Evaluating the Effect of Hydrophobic Nanosilica on DOI: 10.3390/ma11112328 -
Fluorine (C-F) 置信度 0.9
“Attributed to stretching of CF.”
Jin 等 - 2023 - Hydrophobic modification of a PVDF hollow fiber me DOI: 10.2166/wst.2023.166 -
C-O single bond 置信度 0.9
“ester group”
Wen 等 - 2018 - A novel oligomer containing DOPO and ferrocene gro DOI: 10.1016/j.polymdegradstab.2018.08.010 -
置信度 0.8
“Raman shifts indicate presence of neutral fats”
Rapo 等 - 2020 - Adsorption of Remazol Brilliant Violet-5R Textile DOI: 10.1038/s41598-020-65334-0 -
C-O single bond 置信度 0.7
“assigned to the stretching mode”
Shin 等 - 2002 - Structural comparison of Langmuir-Blodgett and spi DOI: 10.1021/la020135d -
Ester 置信度 0.7
“Peak near 1274 cm-1 assigned to stretching vibration of esters.”
Li 等 - 2017 - Study on the anti-abrasion resistance of superhydr DOI: 10.1039/c7ra07865j
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