What absorbs at 1558 cm⁻¹ in an FTIR spectrum?
A band near 1558 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
Mulige funktionelle gruppetildelinger
| Funktionel gruppe | Understøttende fakta | Citerede kilder | Højeste tillid |
|---|---|---|---|
| Amide | 3 | 3 | 0,9 |
| Aromatic ring | 2 | 2 | 0,9 |
| Amine primary | 1 | 1 | 0,9 |
| Alkene (C=C) | 1 | 1 | 0,9 |
| Hydroxyl (O-H) | 1 | 1 | 0,9 |
| N h | 1 | 1 | 0,9 |
| C n single bond | 1 | 1 | 0,9 |
| C=n | 1 | 1 | 0,9 |
| Protein beta sheet | 1 | 1 | 0,8 |
| N c o | 1 | 1 | 0,7 |
Rangering afspejler akkumulerede litteraturbeviser, ikke en enkelt autoritativ regel. Bekræft altid mod din prøvekontekst.
Litteratur bag disse tildelinger
-
tillid 0,9
“Text: 'amorphous lignin was still present indicated with IR transmission peak at 1558 cm-1'”
Solikhin 等 - 2019 - Nanostructural, Chemical, and Thermal Changes of O DOI: 10.1007/s12649-017-0098-4 -
C=n tillid 0,9
“Band at 1558 cm-1 due to vibration of C=N, pyridine ring.”
Sundaramahalingam 等 - 2021 - Structural and electrical behaviours of amino acid DOI: 10.1007/s12034-021-02464-9 -
tillid 0,9
“Explicit assignment: 'The peaks at 1558 show the bond C-C stretch (in-ring) as the functional group for aromatics'.”
Al-Shaibani 等 - 2021 - Enhanced Pharmaceutically Active Compounds Product DOI: 10.3390/molecules26092510 -
C n single bond tillid 0,9
“Band at 1558 cm-1 attributed to C-N and N-H bending in amide II.”
Gabriela Chuc-Gamboa 等 - 2021 - Antibacterial Behavior of Chitosan-Sodium Hyaluron DOI: 10.3390/app1103 -
Aromatic ring tillid 0,9
“Assigned to quinoid ring stretching”
Hidayat 等 - 2016 - Effect of Polyaniline Polymerization Methods on Th DOI: 10.1063/1.4958588 -
Amide tillid 0,9
“Explicit assignment in snippet.”
Martins de Queiroz Antonino 等 - 2017 - Preparation and Characterization of Chitosan Obtai DOI: 10.3390/md15050141 -
Hydroxyl (O-H) tillid 0,9
“Bending vibration of OH groups on Fe3O4 surface.”
Shakib 等 - 2023 - Ultrasound-Promoted preparation and application of DOI: 10.1038/s41598-023-33990-7 -
Amide tillid 0,9
“Protein band at 1558 (Amide II)”
Silva 等 - 2020 - ATR-FTIR spectroscopy in blood plasma combined wit DOI: 10.1038/s41598-020-77378-3
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