What absorbs at 1392 cm⁻¹ in an FTIR spectrum?
A band near 1392 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 5 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 |
|---|---|---|---|
| Carboxyl (COOH) | 2 | 2 | 1.0 |
| Amide | 1 | 1 | 1.0 |
| N n bond | 1 | 1 | 1.0 |
| N-O bond | 1 | 1 | 1.0 |
| Carbohydrate | 1 | 1 | 1.0 |
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
-
Carbohydrate 置信度 1.0
“The vibration 1392 is assigned to C stretching of carbohydrates, fatty acids, or amino acid side chains.”
Fourier transform infrared microspectroscopy detects biochemical changes during C. elegans lifespan DOI: 10.1016/j.vibspec.2019.04.005 -
Carboxyl (COOH) 置信度 1.0
“Sodium salicylate 1597cm-1 The peak at 1392 and are due to the s(-COOas(-COOν ν ) and ) vibrations (Fig.”
Das 等 - 2004 - Kinetics and adsorption behaviour of salicylate on DOI: 10.1016/j.colsurfa.2004.02.010 -
N-O bond 置信度 1.0
“There cm-1, 235 is no signal can be seen on blank 4-ATP capped mHNTs-AgNPs at 1143 1392 cm-1 cm-1”
4-Aminothiophenol capped Halloysite Nanotubes/Silver Nanoparticles as Surface-enhanced Raman Scattering Probe for In-situ Derivatization and Selective Determination of Nitrite Ions in Meat Product DOI: 10.1016/j.talanta.2020.121366 -
Carboxyl (COOH) 置信度 1.0
“The two intense bands at 1580 and 1392 cm-1 are attributed to asymmetric and symmetric stretching vibrations of terephthalate linker carboxylate groups, respectively”
Butova 等 - 2023 - In Situ FTIR Spectroscopy for Scanning Accessible DOI: 10.3390/nano13101675 -
Amide 置信度 1.0
“LLM confirmed rule peak-group candidate”
Development of novel spectroscopic and machine learning methods for the measurement of periodic changes in COVID-19 antibody level DOI: 10.1016/j.measurement.2022.111258
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