What absorbs at 2654 cm⁻¹ in an FTIR spectrum?
A band near 2654 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 2 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 |
|---|---|---|---|
| Alkyl C-H | 2 | 2 | 1.0 |
| C=n | 1 | 1 | 1.0 |
| Aromatic ring | 1 | 1 | 1.0 |
| N h | 1 | 1 | 1.0 |
| Alkene (C=C) | 1 | 1 | 1.0 |
| Ring structure | 1 | 1 | 1.0 |
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
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Ring structure 信心 1.0
“Besides, after the formation of PPy, the new cm-1 peaks that appeared at 2654 ± 5 and 2424 ± 5 in PPy/rGO, and Pd/PPy/rGO correspond to the PPy ring deformation or =C-H plane pending and C-H plane pending, respectively.”
Fabrication of Palladium Nanoparticles Anchored Polypyrrole Functionalized Reduced Graphene oxide Nanocomposite for Antibiofilm Associated Orthopedic Tissue Engineering DOI: 10.1016/j.apsusc.2020.145403 -
信心 1.0
“Fourier Transform Spectroscopy BAB in the pure drug spectrum exhibits the characteristics peaks at 3345 cm-1, 3012 cm-1, 2654 cm-1, and 2322 cm-1 for the N-H stretching, aromatic = C-H stretching, -C-H”
Design and Characterization of Baricitinib Incorporated PLA 3D Printed Pills by Fused Deposition Modeling: An Oral Pill for Treating Alopecia Areata DOI: 10.3390/polym15081825
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