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
Možne dodelitve funkcionalnih skupin
| Funkcionalna skupina | Podporna dejstva | Citirani viri | Najvišje zaupanje |
|---|---|---|---|
| Amide | 3 | 3 | 0,9 |
| Carbonyl (C=O) | 1 | 1 | 0,8 |
| Nitro (NO2) | 1 | 1 | 0,7 |
| Carboxyl (COOH) | 1 | 0 | 0,9 |
Razvrstitev odraža zbrane literaturne dokaze, ne enega avtoritativnega pravila. Vedno preverite glede na kontekst vašega vzorca.
Literatura za temi dodelitvami
-
Amide zaupanje 0,9
“Explicitly stated: 'amide (1521'”
Idrees 等 - 2021 - Structural, Physical, and Mechanical Analysis of Z DOI: 10.3390/ma14247507 -
Amide zaupanje 0,9
“Explicit assignment in snippet.”
Alahmad 等 - 2023 - Influence of the Enzymatic Hydrolysis Using Flavou DOI: 10.3390/molecules28020519 -
Amide zaupanje 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 -
zaupanje 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) zaupanje 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) zaupanje 0,7
“Band in BnOH increasing with temperature”
Simon 等 - 2009 - Nitrochalcones as organogelators evidence of the DOI: 10.1039/b902444a
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