What absorbs at 512 cm⁻¹ in an FTIR spectrum?
A band near 512 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 4 cited sources
Attributions possibles de groupes fonctionnels
| Groupe fonctionnel | Faits à l＇appui | Sources citées | Confiance maximale |
|---|---|---|---|
| Metal oxygen | 1 | 1 | 1,0 |
| Protein alpha helix | 1 | 1 | 1,0 |
| Silicon (Si) | 1 | 1 | 1,0 |
| Silicon silicon | 1 | 0 | 1,0 |
| Silicon hydride | 1 | 0 | 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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Silicon (Si) confiance 1,0
“At 1000°C, 512cm-1 the amorphous peaks disappear and give a shoulder at the crystalline peak at which corresponds to the formation of silicon nanocrystals.”
Benyahia 等 - 2017 - Evolution of Optical and Structural Properties of DOI: 10.4028/www.scientific.net/JNanoR.49.163 -
confiance 1,0
“The strong band observed between Ti stretching vibration of 899.41cm-1 511.80cm-1 Santhoshkumar et al.”
Synthesis of titanium oxide nanoparticles using Aloe barbadensis mill and evaluation of its antibiofilm potential against Pseudomonas aeruginosa PAO1 DOI: 10.1016/j.jphotobiol.2019.111667 -
Protein alpha helix confiance 1,0
“Their 512cm-1, α-helix showed that the proportion of structures decreases, corresponding Raman spectral peaks are at”
Du 等 - 2022 - Green and Highly Efficient Wool Keratin Extraction DOI: 10.3389/fmats.2021.789081 -
Metal oxygen confiance 1,0
“LLM confirmed rule peak-group candidate”
Solvothermal synthesis of BiOI microspheres. Effect of the reaction time on the morphology and photocatalytic activity DOI: 10.1016/j.jphotochem.2014.05.015
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