What absorbs at 1520 cm⁻¹ in an FTIR spectrum?
A band near 1520 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
Caktime të mundshme të grupeve funksionale
| Grup funksional | Fakte mbështetëse | Burimet e cituara | Besueshmëri e lartë |
|---|---|---|---|
| Amide | 7 | 6 | 0,9 |
| Protein beta sheet | 1 | 1 | 0,9 |
| C=n | 1 | 1 | 0,9 |
| C c single bond | 1 | 1 | 0,9 |
| Ring structure | 1 | 1 | 0,9 |
| Aromatic ring | 1 | 1 | 0,9 |
| Nitrogen heterocycle | 1 | 1 | 0,8 |
| Carboxyl (COOH) | 1 | 1 | 0,7 |
Renditja pasqyron provat e grumbulluara të literaturës, jo një rregull të vetëm autoritar. Gjithmonë konfirmoni në kontekstin e mostrës suaj.
Literatura pas këtyre caktimeve
-
Aromatic ring besueshmëri 0,9
“Explicit assignment in text: 'absorption at 1520 is usually ascribed to the aromatic C=C ring-stretching vibration of benzenoid rings'.”
Huerta 等 - 2021 - Revisiting the redox transitions of Polyaniline. S DOI: 10.1016/j.jelechem.2021.115593 -
Amide besueshmëri 0,9
“Amide-II band at 1520 cm-1”
Keceli 等 - 2020 - Dual delivery of platelet-derived growth factor an DOI: 10.1111/jre.12756 -
besueshmëri 0,9
“Explicit assignment in snippet.”
Miroiu 等 - 2010 - Composite biocompatible hydroxyapatite-silk fibroi DOI: 10.1016/j.mseb.2009.10.004 -
Ring structure besueshmëri 0,9
“Assigned to ring in snippet: 'a band at 1520 assigned to ring'”
Sandomierski 等 - 2016 - Reactive Diazonium-Modified Silica Fillers for Hig DOI: 10.1021/acs.langmuir.6b02891 -
C c single bond besueshmëri 0,9
“aromatic C-C stretching related to phenolic compounds”
Lucarini 等 - 2020 - Grape Seeds Chromatographic Profile of Fatty Acid DOI: 10.3390/foods9010010 -
Amide besueshmëri 0,9
“Explicit assignment: 'Amide II region (peak ~1520 cm-1)'.”
Luo 等 - 2022 - Impacts of sonication and high hydrostatic pressur DOI: 10.1016/j.ultsonch.2022.106232 -
C=n besueshmëri 0,9
“Explicit assignment in text”
Wang 等 - 2016 - Base-Free Selective Oxidation of Glycerol over LDH DOI: 10.3390/catal6070101 -
Amide besueshmëri 0,9
“Explicit assignment in text.”
Wang 等 - 2019 - Curing Dynamics of Soy Flour-Based Adhesives Enhan DOI: 10.1155/2019/2916759
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Ngarkoni spektrin tuaj FTIR dhe merrni një raport të plotë interpretimi — caktim i pikut me citime literaturë, përputhje biblioteke dhe një zinxhir provash të vlerësuar me besueshmëri — në sekonda.
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