What absorbs at 1515 cm⁻¹ in an FTIR spectrum?
A band near 1515 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 |
|---|---|---|---|
| Aromatic ring | 5 | 5 | 0.9 |
| Lignin | 3 | 3 | 0.8 |
| N h | 2 | 2 | 0.9 |
| C n single bond | 1 | 1 | 0.9 |
| Amino acid | 1 | 1 | 0.9 |
| Amide | 1 | 1 | 0.9 |
| Carbonate | 1 | 1 | 0.8 |
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 0.9
“Amide II peak after 15N labeling”
Brielle 和 Arkin - 2021 - Isotope-Edited Amide II Mode A New Label for Site DOI: 10.1021/acs.jpclett.1c01073 -
Amino acid 信心 0.9
“Explicit assignment: 'tyrosines at 1515 cm-1'”
Nault 等 - 2013 - Human insulin adsorption kinetics, conformational DOI: 10.1016/j.actbio.2012.09.025 -
信心 0.9
“Explicit assignment in text: 'n3 antisymmetric CO stretching mode were observed at 1383 and 1515'”
Sanna 等 - 2013 - Investigation of the hydrozincite structure by inf DOI: 10.2138/am.2013.4158 -
信心 0.9
“Peak at 1515 cm-1 assigned to indole C=C stretching.”
Cruz-Maya 等 - 2023 - Polydopamine-Coated Alginate Microgels Process Op DOI: 10.3390/jfb14010002 -
Aromatic ring 信心 0.9
“explicit assignment”
Garcia-Fuentevilla 等 - 2023 - Enzyme-Catalyzed Polymerization of Kraft Lignin fr DOI: 10.3390/polym15030513 -
Aromatic ring 信心 0.9
“Explicit assignment”
Kuila 等 - 2011 - Accessibility of Enzymatically Delignified Bambusa DOI: 10.4061/2011/805795 -
N h 信心 0.9
“N-H bending vibration in β-sheet.”
Li 等 - 2023 - Effect of degumming degree on the structure and te DOI: 10.1038/s41598-023-33844-2 -
N h 信心 0.9
“Explicit assignment in text: '1515 δ(N-H) bending'”
Margariti - 2019 - The application of FTIR microspectroscopy in a non DOI: 10.1186/s40494-019-0304-8
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