What absorbs at 543 cm⁻¹ in an FTIR spectrum?
A band near 543 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
Attributions possibles de groupes fonctionnels
| Groupe fonctionnel | Faits à l＇appui | Sources citées | Confiance maximale |
|---|---|---|---|
| Metal oxygen | 4 | 3 | 1,0 |
| Aromatic ring | 3 | 2 | 1,0 |
| Hydroxyl (O-H) | 2 | 2 | 1,0 |
| Alkyl C-H | 2 | 2 | 1,0 |
| Alkene (C=C) | 1 | 1 | 1,0 |
| Protein | 1 | 1 | 1,0 |
Le classement reflète les preuves bibliographiques accumulées, et non une règle faisant autorité. Confirmez toujours dans le contexte de votre échantillon.
Bibliographie derrière ces attributions
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Metal oxygen confiance 1,0
“From the Fourier transform infra-red (FTIR) spectra, the 3 cm-1 cm-1, band appears at 542.71 and 432.48 which corresponding to metal-oxygen bending and the vibration of the octahedral sites of BaFe 12O 19.”
Effect of Ratio in Ammonium Nitrate on the Structural, Microstructural, Magnetic, and AC Conductivity Properties of BaFe12O19 DOI: 10.3390/ma11112190 -
Hydroxyl (O-H) confiance 1,0
“For the s5 sample, 3,543cm-1 samples showed SF values greater than 3.86, and 37% of the however, the hydroxyl peak remained relatively stable”
Li 等 - 2023 - Fourier-transformed infrared spectroscopy study of DOI: 10.3389/feart.2022.1008139 -
Metal oxygen confiance 1,0
“Stretching vibration of O-H is formed at 3430 In graph (c) two peaks cm-1 cm-1 (Bi-O)58 at 543 and 855 with corresponding functional groups and (Bi-O-Bi) confirms the successful synthesis of Bi 2O 3/GO composite.”
Antibacterial and in vivo toxicological studies of Bi2O3/CuO/GO nanocomposite synthesized via cost effective methods DOI: 10.1038/s41598-022-17332-7 -
confiance 1,0
“The absorption peak at 543 indicates to the Zn-O bond.”
Carrier mechanism of ZnO nanoparticles-embedded PMMA nanocomposite organic bistable memory device DOI: 10.1016/j.solidstatesciences.2019.106046 -
Alkyl C-H confiance 1,0
“Figure 2, is really interesting to see that it is due to the 531cm-1 543cm-1 is assigned to Experimental peak of CH out of plane bending motion and we can clearly see B3LYPwhichisacombinationofdifferentmotionsincluding that there is only on”
Ullah 等 - 2016 - Fourier Transform Infrared Spectroscopy of Bisphe DOI: 10.1155/2016/2073613 -
Aromatic ring confiance 1,0
“The CH out-of-plane bending vibrations of the phenyl ring nyl rings is observed at 543 cm-1.”
Modeling and Simulation of Fabricated Graphene Nanoplates/Polystyrene Nanofibrous Membrane for DCMD DOI: 10.3390/polym13172987 -
Alkyl C-H confiance 1,0
“Figure 3 (curves a, b) shows IR spectrum of R-Ag-NPs and L-Ag-NPs the absorption bands around 543, 981, 1394, 1563, spectrum of R-Ag-NPs and L-Ag-NPs the absorption bands around 543, 981, 1394, 1563, cm-1 and 2089 revealed the presence of a”
Green Synthesis, Characterization, Enzyme Inhibition, Antimicrobial Potential, and Cytotoxic Activity of Plant Mediated Silver Nanoparticle Using Ricinus communis Leaf and Root Extracts DOI: 10.3390/biom11020206 -
confiance 0,8
“Text indicates bands at 580 and 543 cm-1 indicate prism structures with 12-membered rings”
Synthesis and Investigation of Zeolite TiO2/Al-ZSM-12 Structure and Properties DOI: 10.3390/catal13020216
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