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
가능한 작용기 할당
| 작용기 | 지원 사실 | 인용 출처 | 최고 신뢰도 |
|---|---|---|---|
| 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 |
순위는 단일 권위 규칙이 아닌 축적된 문헌 증거를 반영합니다. 항상 샘플 상황에 대해 확인하세요.
이 할당의 배경이 되는 문헌
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신뢰도 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 신뢰도 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 -
신뢰도 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 신뢰도 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 신뢰도 0.9
“Assigned to quinoid ring stretching”
Hidayat 等 - 2016 - Effect of Polyaniline Polymerization Methods on Th DOI: 10.1063/1.4958588 -
Amide 신뢰도 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) 신뢰도 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 신뢰도 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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