What absorbs at 652 cm⁻¹ in an FTIR spectrum?
A band near 652 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 5 cited sources
Attributions possibles de groupes fonctionnels
| Groupe fonctionnel | Faits à l＇appui | Sources citées | Confiance maximale |
|---|---|---|---|
| Alkyl C-H | 2 | 2 | 1,0 |
| Silicon-oxygen (Si-O) | 1 | 1 | 1,0 |
| Protein alpha helix | 1 | 1 | 1,0 |
| N h | 1 | 1 | 1,0 |
| Silicon hydride | 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
-
Silicon hydride confiance 1,0
“cm-1correspondings 1043 1175 The band at 652 to Si-H wagging or cmrocking mode matched with previous research groups [27]while the strong band at 780-800 1corresponds to Si-C stretching mode [27,28].”
Swain - 2022 - Process Dependent Strain Behaviour, Fractal Analys DOI: 10.21203/rs.3.rs-374154/v1 -
Alkyl C-H confiance 1,0
“LLM confirmed rule peak-group candidate”
Evaluation of therapeutic potential of the silver/silver chloride nanoparticles synthesized with the aqueous leaf extract of Rumex acetosa DOI: 10.1038/s41598-017-11853-2 -
Protein alpha helix confiance 1,0
“(2006), the o m 1,652cm-1 α-helical peak at was found to correspond to”
Lilienthal 等 - 2015 - Changes in the protein secondary structure of hen' DOI: 10.3382/ps/peu051 -
Silicon-oxygen (Si-O) confiance 1,0
“LLM confirmed rule peak-group candidate”
Madadi 和 Wei - 2022 - Characterization of Calcium Silicate Hydrate Gels DOI: 10.3390/gels8020075 -
Alkyl C-H confiance 1,0
“The peaks between 652corresponds to C-H stretching vibrations specific cm-1 685 corresponds to the vibration absorption of to CH and CH from lipids, metoxy derivatives,”
Spectroscopic investigation and chemical fingerprint of Datura innoxia dry biomass DOI: 10.5802/crchim.169
Avez-vous un spectre avec cette bande ?
Téléchargez votre spectre FTIR et obtenez un rapport d＇interprétation complet — attributions de pics avec citations bibliographiques, correspondances de bibliothèque et une chaîne de preuves avec évaluation de la confiance — en quelques secondes.
Interpréter mon spectre