What absorbs at 1454 cm⁻¹ in an FTIR spectrum?
A band near 1454 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 |
|---|---|---|---|
| Alkene (C=C) | 2 | 1 | 0.9 |
| Carboxyl (COOH) | 1 | 1 | 0.9 |
| Ammonium | 1 | 1 | 0.9 |
| C-O single bond | 1 | 1 | 0.8 |
| Alkyl C-H | 1 | 1 | 0.8 |
| Metal oxygen | 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
-
置信度 0.95
“Explicit assignment: 'band at 1454 arises from the methyl and methylene groups from lipids'”
Maribel Mata-Miranda 等 - 2017 - Morphological, molecular and FTIR spectroscopic an DOI: 10.1186/s40659-017-0119-6 -
Ammonium 置信度 0.9
“Doublet peaks assigned to N-H bending of ammonium ions.”
Sohaimy 和 Isa - 2022 - Proton-Conducting Biopolymer Electrolytes Based on DOI: 10.3390/polym14153019 -
Alkene (C=C) 置信度 0.9
“Explicit assignment in text.”
Amorim 等 - 2022 - Bio-Availability, Anticancer Potential, and Chemic DOI: 10.3390/antiox11020360 -
置信度 0.9
“Text: 'Las bandas a 1454 corresponden a los grupos metilo y metileno de lípidos y proteínas.'”
Mata-Miranda 等 - 2017 - DOI: 10.17488/RMIB.38.1.17 -
Carboxyl (COOH) 置信度 0.9
“Explicit: 'absorption bands at 1454, and 1404 were related to stretching vibrations of carboxyl groups'”
Yao 等 - 2023 - Facile Preparation and Adsorption Behavior Studies DOI: 10.21203/rs.3.rs-1889584/v1 -
Metal oxygen 置信度 0.8
“Explicit assignment in text: 'Fe-O bond's peak intensities at 547 cm-1' and context for 1454, 854 cm-1 as Fe-O related.”
Icina 等 - 2021 - Mechanochemical synthesis of SrFe12O19 from recycl DOI: 10.1016/j.jallcom.2021.159787 -
置信度 0.8
“key band for leaves”
Pop 等 - 2014 - Untargeted Metabolomics for Sea Buckthorn (Hippoph DOI: 10.15835/nbha4229654 -
Alkyl C-H 置信度 0.8
“Part of range 1434-1454.”
Yordanova 等 - 2018 - Zn2+-triggered self-assembly of Gonadorelin [6-D-P DOI: 10.1038/s41598-018-29529-w
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