FTIR峰解读
What absorbs at 1422 cm⁻¹ in an FTIR spectrum?
A band near 1422 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 |
|---|---|---|---|
| Carbonyl (C=O) | 1 | 1 | 0.95 |
| C n single bond | 1 | 1 | 0.9 |
| N h | 1 | 1 | 0.9 |
| Carboxyl (COOH) | 1 | 1 | 0.9 |
| Alkyl C-H | 1 | 1 | 0.9 |
| Aromatic ring | 1 | 1 | 0.9 |
| Ammonium | 1 | 1 | 0.9 |
| Amide | 1 | 1 | 0.9 |
| C-O single bond | 1 | 1 | 0.8 |
| Ring structure | 1 | 1 | 0.8 |
| Phosphate (PO4) | 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
-
Carbonyl (C=O) 置信度 0.95
“Explicit assignment: 'at 1422 (ester carbonyl groups C=O)'”
Hentati 等 - 2022 - Structural Characterization and Rheological and An DOI: 10.3390/md20090546 -
Amide 置信度 0.9
“Explicitly assigned as amide II.”
Baba 等 - 2021 - Conjoint application of ultrasonication and redox DOI: 10.1016/j.ultsonch.2021.105784 -
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 -
Aromatic ring 置信度 0.9
“bands characterizing lignin”
Capano 等 - 2015 - Anatomical and chemical analyses on wooden artifac DOI: 10.1016/j.jas.2015.03.002 -
Alkyl C-H 置信度 0.9
“Explicit assignment in text: 'CH2 scissoring (1422cm-1)'”
Chen 和 He - 2017 - Microwave Irradiation Assisted Preparation of Chit DOI: 10.1155/2017/2672597 -
Carboxyl (COOH) 置信度 0.9
“Described as ν_s band.”
Grivel 等 - 2020 - Thermal decomposition of Yttrium 2-methylbutyrate DOI: 10.1016/j.jaap.2020.104898 -
N h 置信度 0.9
“Explicit: 'and 1422 respectively'”
Villamin 和 Kitamoto - 2018 - Synthesis of Multifunctional Clustered Nano-Fe3O4 DOI: 10.1063/1.5021927 -
置信度 0.9
“Explicit assignment in text.”
Yu 等 - 2022 - Changes in Chemical and Thermal Properties of Bamb DOI: 10.3390/polym14132573
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