What absorbs at 3423 cm⁻¹ in an FTIR spectrum?
A band near 3423 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 |
|---|---|---|---|
| Hydroxyl (O-H) | 11 | 10 | 0.9 |
| N h | 3 | 3 | 1.0 |
| Water (H2O) | 1 | 1 | 0.8 |
| Silanol (Si-OH) | 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
-
N h 置信度 1.0
“Board peaks at 3423 cm-1 owing to stretching vibration of NH.”
Melhi 等 - 2023 - Novel Porous Organic Polymer for High-Performance DOI: 10.3390/cryst13060956 -
Hydroxyl (O-H) 置信度 0.9
“Strong band at 3423 corresponds to OH group of mesoporous silica surface and aromatic OH.”
Alahmadi 等 - 2012 - Synthesis and Characterization of Mesoporous Silic DOI: 10.3390/ijms131013726 -
Hydroxyl (O-H) 置信度 0.9
“Strong characteristic hydroxyl peak at 3423 cm-1.”
Dai 等 - 2020 - Characterization and Oxidative Stability of Cold-p DOI: 10.5650/jos.ess19323 -
Hydroxyl (O-H) 置信度 0.9
“Explicit assignment: '3423cm-1 (O-H) band assigned to of the enol form'”
Khalil 等 - 2013 - Synthesis, Characterization, Mossbauer Parameters, DOI: 10.1155/2013/982423 -
置信度 0.9
“Explicit assignment: O-H stretching of gypsum (3423 cm-1).”
Neamtu 等 - 2018 - Multidisciplinary Investigation of the Imperial Ga DOI: 10.3390/su10051503 -
Hydroxyl (O-H) 置信度 0.9
“Band at 3423.15 cm-1 assigned to OH group and superimposed by NH stretching.”
Pirtarighat 等 - 2019 - Green synthesis of silver nanoparticles using the DOI: 10.1007/s40097-018-0291-4 -
Hydroxyl (O-H) 置信度 0.9
“Explicit assignment: new band at 3423 cm-1 due to OH stretching from ageing.”
Savino 等 - 2022 - Effects and Impacts of Different Oxidative Digesti DOI: 10.3390/polym14101958 -
Hydroxyl (O-H) 置信度 0.9
“-OH stretching vibration”
Sonali 等 - 2010 - Silymarin-solid dispersions Characterization and DOI: 10.2478/v10007-010-0038-3
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