What absorbs at 1474 cm⁻¹ in an FTIR spectrum?
A band near 1474 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 | 2 | 1.0 |
| Aromatic ring | 2 | 2 | 1.0 |
| Ring structure | 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
-
Aromatic ring 置信度 1.0
“LLM confirmed rule peak-group candidate”
Li 等 - 2013 - Synthesis and Microwave Absorption Characteristics DOI: 10.4028/www.scientific.net/AMM.327.53 -
Alkyl C-H 置信度 1.0
“cm-1 cm-1 Peak at 1474 obtained was due to CH bending whereas peak at 1531 corresponded to 2 benzene ring (Table 2).”
Bhattacharyya 等 - 2017 - Metallization and APPJ treatment of bismaleimide DOI: 10.1155/2010/987357 -
Ring structure 置信度 1.0
“C=O carboxylic 1752 1H As shown in Figure 7, the NMR of compound A Chlorophenyl ring stretch 1474,1496”
Housheh 等 - 2015 - GCMS, FTIR and NMR Studies for the Identification DOI: 10.5530/ijper.49.4.1 -
Alkyl C-H 置信度 1.0
“Further, there was a new peak at 1474 which corresponded to cm-1, the -CH bending vibrations, and there was a new peak at 1474 which corresponded to the -CH 2 2”
Mushtaq 等 - 2020 - Composite of PLA Nanofiber and Hexadecyl Trimethyl DOI: 10.3390/coatings10050484 -
Aromatic ring 置信度 1.0
“However, the integrated intensity 286 1593 cm-1, ^C=<X stretching of quinoid units or of the band at 1474 assigned to quinoid units, in287 N-H+ deformation vibration on”
Salavagione 等 - 2005 - Study of redox mechanism of poly(o-aminophenol) us DOI: 10.1016/j.jelechem.2004.10.013
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