What absorbs at 1677 cm⁻¹ in an FTIR spectrum?
A band near 1677 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
Mulige funksjonelle gruppe-tilordninger
| Funksjonell gruppe | Støttende fakta | Siterte kilder | Toppkonfidens |
|---|---|---|---|
| Carbonyl (C=O) | 3 | 3 | 0.9 |
| Amide | 2 | 2 | 0.8 |
Rangeringen gjenspeiler akkumulert litteraturbevis, ikke en enkelt autoritativ regel. Bekreft alltid mot prøvekonteksten din.
Litteratur bak disse tilordningene
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konfidens 0.9
“Text: 'assigned to nitric acid' at 1677 cm-1”
Mochida 和 Finlayson-Pitts - 2000 - FTIR study of N2O3 on porous glass at room tempera DOI: 10.1021/jp001484o -
Carbonyl (C=O) konfidens 0.9
“Explicit assignment in text.”
Battu 等 - 2018 - Biopharmaceutical Process of Diclofenac Multi-part DOI: 10.4274/tjps.92400 -
Carbonyl (C=O) konfidens 0.9
“Carbonyl band at 1664-1677 cm-1.”
Erol - 2020 - Synthesis, Characterization, Absorption and Fastne DOI: 10.21577/0103-5053.20200068 -
Carbonyl (C=O) konfidens 0.9
“Explicit assignment: 'amide carbonyl peaks at 1677'”
Erol 等 - 2023 - ZnO-containing nanocomposites produced from Mentha DOI: 10.1007/s10965-023-03461-8 -
Amide konfidens 0.8
“Amide I band component.”
Sun 等 - 2008 - Innovative spectral investigations on the thermal- DOI: 10.1016/j.polymer.2008.04.028 -
Amide konfidens 0.8
“Component band of amide I'.”
Yamamoto 等 - 2010 - FTIR observation of compression recovery of the se DOI: 10.1088/1742-6596/215/1/012155
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