What absorbs at 3136 cm⁻¹ in an FTIR spectrum?
A band near 3136 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 2 cited sources
Mulige funktionelle gruppetildelinger
| Funktionel gruppe | Understøttende fakta | Citerede kilder | Højeste tillid |
|---|---|---|---|
| Aromatic ring | 2 | 1 | 1,0 |
| Water (H2O) | 1 | 1 | 1,0 |
| Fluorine (C-F) | 1 | 1 | 1,0 |
| Secondary amine | 1 | 1 | 1,0 |
| C n single bond | 1 | 1 | 1,0 |
| Amide | 1 | 1 | 1,0 |
| Ring structure | 1 | 1 | 1,0 |
| N h | 1 | 1 | 0,9 |
| Alkyl C-H | 1 | 0 | 1,0 |
Rangering afspejler akkumulerede litteraturbeviser, ikke en enkelt autoritativ regel. Bekræft altid mod din prøvekontekst.
Litteratur bag disse tildelinger
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Aromatic ring tillid 1,0
“5-FU depicted cm-1 characteristic stretching bands at 3136.2 (-NH) and symmetric aromatic ring stretch-”
Synthesis and Characterization of Chitosan-Decorated Nanoemulsion Gel of 5-Fluorouracil for Topical Delivery DOI: 10.3390/gels8070412 -
Water (H2O) tillid 1,0
“The peak intensity at 3136 and tion vibration of water molecules adsorbed on the TiO surcm-1 2 3023 decreased as the reaction temperature increased,”
Effects of SO2 on selective catalytic reduction of NO with NH3 over a TiO2 photocatalyst DOI: 10.1088/1468-6996/16/2/024901
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