What absorbs at 1455 cm⁻¹ in an FTIR spectrum?
A band near 1455 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 |
|---|---|---|---|
| Alkyl C-H | 6 | 5 | 0.9 |
| Alkene (C=C) | 2 | 2 | 0.9 |
| Lewis acid site | 2 | 0 | 0.95 |
| Nitrogen heterocycle | 1 | 1 | 1.0 |
| Aromatic ring | 1 | 1 | 0.9 |
| Lipid | 1 | 1 | 0.9 |
| Methoxy (OCH3) | 1 | 1 | 0.9 |
| Amide | 1 | 1 | 0.9 |
| C-O single bond | 1 | 1 | 0.9 |
| C c single bond | 1 | 1 | 0.9 |
| Protein | 1 | 1 | 0.8 |
| C=n | 1 | 1 | 0.8 |
| Methyl | 1 | 0 | 0.9 |
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: '1455cm-1 is assigned to overtone of the antisymmetric Sn-'”
Jaiswal 等 - 2013 - Structural and optical studies of 100 MeV Au irrad DOI: 10.1016/j.nimb.2013.05.053 -
Nitrogen heterocycle 置信度 1.0
“Characteristic pyridine band.”
Liu 等 - 2021 - Novel hydrophobic catalysts to promote hydration a DOI: 10.1039/d1ra01188j -
C c single bond 置信度 0.9
“Text: 'bands at ... 1455 ... which corresponds at ... C-C'.”
Malaikozhundan 等 - 2017 - Two potential uses for silver nanoparticles coated DOI: 10.1016/j.micpath.2017.08.039 -
置信度 0.9
“Text: '1455 which indicates quinoid and benzoid units'”
Mustapa 等 - 2018 - Fabrication of Polyaniline Based Chemical Sensor f DOI: 10.21315/jps2018.29.s1.2 -
C-O single bond 置信度 0.9
“Vibration band for -O-CH group, shifted to 1446 for all salts.”
Whba 等 - 2020 - Influence of binary lithium salts on 49% poly (met DOI: 10.1016/j.arabjc.2018.11.009 -
Alkyl C-H 置信度 0.9
“Ascribed to deformation vibration of C-H bond.”
Zhang 等 - 2021 - Low-temperature characteristics and microstructure DOI: 10.1016/j.conbuildmat.2021.124408 -
Amide 置信度 0.9
“Explicit assignment in snippet.”
Alahmad 等 - 2023 - Influence of the Enzymatic Hydrolysis Using Flavou DOI: 10.3390/molecules28020519 -
Alkyl C-H 置信度 0.9
“bending in plane vibration asymmetric CH2”
Belo 等 - 2018 - Development of a Black Liquor Electrolyzer for Lig DOI: 10.1149/08604.0003ecst
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