What absorbs at 1566 cm⁻¹ in an FTIR spectrum?
A band near 1566 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
Attributions possibles de groupes fonctionnels
| Groupe fonctionnel | Faits à l＇appui | Sources citées | Confiance maximale |
|---|---|---|---|
| Amide | 3 | 3 | 0,9 |
| Aromatic ring | 2 | 2 | 0,9 |
| C n single bond | 1 | 1 | 1,0 |
| Nitrogen heterocycle | 1 | 1 | 1,0 |
| N h | 1 | 1 | 1,0 |
Le classement reflète les preuves bibliographiques accumulées, et non une règle faisant autorité. Confirmez toujours dans le contexte de votre échantillon.
Bibliographie derrière ces attributions
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N h confiance 1,0
“1566cm-1, R2 due to NH in-plane bending, triazine stretching In every case a, good linear fit was obtained with valand C-N stretching, respectively, [23] and so, these bands ues >0.999.”
Armenta 等 - 2004 - Determination of cyromazine in pesticide commercia DOI: 10.1016/j.aca.2004.02.063 -
confiance 0,95
“Text: 'and 1566 cm-1 due to RCOO-'”
Zainal 等 - 2018 - Effect of octenylsuccinylation on physicochemical, DOI: 10.1016/j.foodhyd.2017.09.003 -
confiance 0,9
“Explicit assignment: 1566 (G-line).”
Hussain 和 Pal - 2007 - Synthesis of composite films of mixed Ag-Cu nanocr DOI: 10.1016/j.apsusc.2006.07.074 -
Amide confiance 0,9
“Amide stretching peak.”
Aamir 和 Ahmad - 2010 - Production and Stability Evaluation of Modified-Re DOI: 10.1208/s12249-010-9392-1 -
Aromatic ring confiance 0,9
“Explicit assignment: 'peaks at 1566 cm-1 for aromatic ring skeleton'”
Afreen 等 - 2017 - A novel multicopper oxidase (laccase) from cyanoba DOI: 10.1371/journal. -
Aromatic ring confiance 0,9
“Assigned to quinoid ring stretching”
Hidayat 等 - 2016 - Effect of Polyaniline Polymerization Methods on Th DOI: 10.1063/1.4958588 -
Amide confiance 0,9
“main amide II peak”
Li 等 - 2002 - Purification and structural characterization of th DOI: 10.1074/jbc.M202721200 -
Amide confiance 0,8
“Range 1546-1566 attributed to amide II”
Lahlali 等 - 2015 - Synchrotron based phase contrast X-ray imaging com DOI: 10.1186/s12870-014-0357-5
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