What absorbs at 1548 cm⁻¹ in an FTIR spectrum?
A band near 1548 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
可能的官能基指派
| 官能基 | 支持事實 | 引用來源 | 最高信心 |
|---|---|---|---|
| Amide | 6 | 6 | 1.0 |
| Nitrogen heterocycle | 1 | 1 | 1.0 |
| Carboxyl (COOH) | 1 | 1 | 0.95 |
排名反映累積的文獻證據，而非單一權威規則。請務必根據您的樣品背景進行確認。
這些指派背後的文獻
-
Amide 信心 1.0
“Explicit assignment in text: 'amide I and amide II regions (1695 and 1548 cm-1)'”
Baldauf 等 - 2007 - Effect of selective growth media on the differenti DOI: 10.1016/j.mimet.2006.06.012 -
Nitrogen heterocycle 信心 1.0
“Characteristic pyridine band.”
Liu 等 - 2021 - Novel hydrophobic catalysts to promote hydration a DOI: 10.1039/d1ra01188j -
Amide 信心 1.0
“Explicit assignment: 'II (1548 cm-1)'”
Sun 等 - 2020 - Effects of SCCO2, Gamma Irradiation, and Sodium Do DOI: 10.3390/ijms21051565 -
Carboxyl (COOH) 信心 0.95
“Explicit assignment in text.”
Laurans 等 - 2020 - Covalent Grafting of Polyoxometalate Hybrids onto DOI: 10.1038/nature13951. -
Amide 信心 0.9
“Assigned to amide II band.”
Wang 等 - 2013 - Interaction of NAEn-s-n gemini surfactants with bo DOI: 10.1016/j.jlumin.2012.08.058 -
Amide 信心 0.9
“Text: 'band at 1548 corresponding to the N-H bending vibration of the amine group'”
Coutinho 等 - 2012 - Microfabricated photocrosslinkable polyelectrolyte DOI: 10.1039/C2JM31374J. -
Amide 信心 0.9
“Explicitly assigned in text.”
Jimenez-Torres 等 - 2023 - Study on the Degradation of a Semi-Synthetic Ligni DOI: 10.3390/polym15122588 -
Amide 信心 0.9
“Text states 'intense peaks centered at 1655 and 1548 cm-1' and context indicates amide bands.”
Yamaguchi 等 - 2007 - Real-time monitoring of cell death by surface infr DOI: 10.1063/1.2813013(cid:4)
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