FTIR峰解读
What absorbs at 1557 cm⁻¹ in an FTIR spectrum?
A band near 1557 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 |
|---|---|---|---|
| Amide | 3 | 3 | 0.9 |
| Carboxyl (COOH) | 1 | 1 | 0.9 |
| Alkene (C=C) | 1 | 1 | 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
-
Alkene (C=C) 置信度 0.9
“C=C stretching in the graphitic ring”
Aragaw - 2020 - Reduced graphene oxide-intercalated graphene oxide DOI: 10.1007/s40097-019-00324-x -
Amide 置信度 0.9
“Peak at 1557 assigned to amide II.”
Bourrat 等 - 2012 - Origin of growth defects in pearl DOI: 10.1016/j.matchar.2012.07.010 -
Carboxyl (COOH) 置信度 0.9
“Attributed to antisymmetric stretching vibration of COO-.”
Chen 等 - 2022 - Synthesis and Application of Tackifying Dispersant DOI: 10.3390/polym14030557 -
置信度 0.9
“Explicit assignment in text”
Kumar 和 Bhaskar - 2019 - Computational and spectral studies of 3,3 '-(propa DOI: 10.1016/j.heliyon.2019.e02420 -
置信度 0.9
“Same as above.”
Maksin 等 - 2012 - Kinetic modeling of heavy metal sorption by vinyl DOI: 10.2298/HEMIND121002112M -
置信度 0.9
“Banda em 1557 aparece em todos os espectros”
Puglieri 等 - 2019 - SYNCHROTRON INFRARED NANO-SPECTROSCOPY FOR NANO-SP DOI: 10.21577/0100-4042.20170421 -
置信度 0.8
“Comparatively strong doublet ATR-FTIR bands at ~1557 and ~1542 cm-1 and bands at 1296 and”
Malek 等 - 2019 - Multi-Modal Compositional Analysis of Layered Pain DOI: 10.3390/molecules24071381 -
Amide 置信度 0.8
“stretching vibration”
Martins 等 - 2012 - Influence of alpha-tocopherol on physicochemical p DOI: 10.1016/j.foodhyd.2011.06.011
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