FTIR峰解读
What absorbs at 1521 cm⁻¹ in an FTIR spectrum?
A band near 1521 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 6 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 |
|---|---|---|---|
| Amide | 3 | 3 | 0.9 |
| Carbonyl (C=O) | 1 | 1 | 0.8 |
| Nitro (NO2) | 1 | 1 | 0.7 |
| Carboxyl (COOH) | 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
-
Amide 置信度 0.9
“Explicitly stated: 'amide (1521'”
Idrees 等 - 2021 - Structural, Physical, and Mechanical Analysis of Z DOI: 10.3390/ma14247507 -
Amide 置信度 0.9
“Explicit assignment in snippet.”
Alahmad 等 - 2023 - Influence of the Enzymatic Hydrolysis Using Flavou DOI: 10.3390/molecules28020519 -
Amide 置信度 0.9
“Explicit assignment: N-H bending due to presence of CHX.”
Chhatri 等 - 2011 - Designing polysaccharide-based antibacterial bioma DOI: 10.4161/biom.1.2.19005 -
置信度 0.9
“Due to the nitro -NO2 functional group.”
Georgescu 等 - 2021 - Thermal Behavior of the Nimesulide-Salicylic Acid DOI: 10.3390/ma14247715 -
Carbonyl (C=O) 置信度 0.8
“Text: 'A band of the C=O stretching vibrations has a shoulder at 1521 cm-1'.”
Rugal 等 - 2007 - Interaction of fibrinogen with nanosilica DOI: 10.2478/s11532-006-0067-4 -
Nitro (NO2) 置信度 0.7
“Band in BnOH increasing with temperature”
Simon 等 - 2009 - Nitrochalcones as organogelators evidence of the DOI: 10.1039/b902444a
是否有此波段的光谱？
上传您的FTIR光谱，几秒钟内即可获得完整的解读报告——包含带文献引用的峰分配、库匹配和带有置信度评级的证据链。
解读我的光谱