What absorbs at 598 cm⁻¹ in an FTIR spectrum?
A band near 598 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
Réponse rapide
A band near 598 cm⁻¹ is usually interpreted by checking which functional groups repeatedly co-occur there in the literature, then confirming at least one or two additional peaks in the same sample. This page ranks those assignments by accumulated evidence rather than by a single fixed textbook rule.
Attributions possibles de groupes fonctionnels
| Groupe fonctionnel | Faits à l＇appui | Sources citées | Confiance maximale |
|---|---|---|---|
| Metal oxygen | 5 | 4 | 1,0 |
| Siloxane (Si-O-Si) | 1 | 1 | 1,0 |
| Amide | 1 | 1 | 1,0 |
| Hydroxyl (O-H) | 1 | 1 | 1,0 |
| Alkyl C-H | 1 | 1 | 1,0 |
| Silicon-oxygen (Si-O) | 1 | 1 | 1,0 |
| Phosphate (PO4) | 1 | 1 | 0,8 |
Le classement reflète les preuves bibliographiques accumulées, et non une règle faisant autorité. Confirmez toujours dans le contexte de votre échantillon.
Matériaux possibles
| Matériel | Pics de support | Groupes chevauchants | Sources citées |
|---|---|---|---|
| alumina | 598, 460, 1000 | Metal oxygen, Hydroxyl (O-H), Siloxane (Si-O-Si) | 1 |
| nanoparticles | 598, 1732, 1647 | Hydroxyl (O-H), Metal oxygen, Amide | 1 |
Les matériaux sont affichés uniquement lorsque le même ensemble de littérature soutient cette bande et au moins un pic caractéristique supplémentaire.
Logique du spectre
This band becomes meaningful only when read with its neighboring peaks. In practice, analysts first look at the assignments above, then check whether the same sample also shows other peaks expected for the same structural motif. A lone band near 598 cm⁻¹ is usually not enough for material identification by itself.
Utilisation réelle
Ce type de requête est courant dans l＇identification des polymères, le criblage des plastiques inconnus, le dépannage du contrôle qualité, la vérification des matériaux recyclés et l＇examen de l＇attribution des pics appuyée par la littérature.
Erreurs courantes
- Traiter une bande isolée comme preuve d＇un matériau sans vérifier au moins un ou deux pics de support.
- Ignorer le chevauchement : plusieurs groupes fonctionnels peuvent contribuer près du même nombre d＇onde.
- Sauter la validation lorsque des additifs, des mélanges, l＇oxydation ou la contamination peuvent déformer le spectre.
Conseil de vérification
Lorsque l＇ambiguïté persiste, validez l＇hypothèse avec DSC, GC-MS ou TGA, en particulier pour les mélanges, les échantillons dégradés et les polymères chargés.
Bibliographie derrière ces attributions
-
Metal oxygen confiance 1,0
“LLM confirmed rule peak-group candidate”
Effect of alumina on the performance and characterization of cross-linked PVA / PEG 600 blended membranes for CO2/N2 separation DOI: 10.1016/j.seppur.2018.08.026 -
confiance 1,0
“In the spectra of WFD (Figure 7a), the peaks at 992, 776, and 693 cm-1 were attributed to Si-O stretching vibration bands, whereas the peaks at 598 cm-1 corresponded to F-O bond stretching.”
Kim 等 - 2022 - Removal of Methyl Red from Aqueous Solution Using DOI: 10.3390/ijerph19159030 -
Alkyl C-H confiance 1,0
“Peaks at (741,697 cm-1) and (598 cm-1) corresponds to CH bending and C-OH bending respectively.”
Kumar 等 - 2021 - Centella asiatica mediated facile green synthesis DOI: 10.1016/j.inoche.2021.108865 -
Hydroxyl (O-H) confiance 1,0
“3617cm-1 300cm-1 ItcanbenotedthatD-exchangeaffectssomebandswhich positions was taken as [28] and [26], reveal very subtle temperature changes, for example at 906, respectively, as for the OH band of t-butanol in CCl diluted 4 598cm-1 824, 7”
Rozenberg 等 - 2005 - Low-temperature FTIR spectra and hydrogen bonds in DOI: 10.1016/j.saa.2004.05.024 -
Amide confiance 1,0
“cm-1 cm-1 band at 1541 and amide III band at Peaks at 598 and 554 are from ACCEPTED MANUSCRIPT out-of-plain bending of C-H groups.”
Wei 等 - 2018 - Enhanced chemical and spatial recognition of fish DOI: 10.1016/j.saa.2018.07.031 -
confiance 1,0
“On the other hand, vibration peaks 2 vibration peaks for Cu-O and Fe-O bonds were observed at wave numbers of about 456 and for Cu-O and Fe-O bonds were observed at wave numbers of about 456 and 598 cm-1, cm-1, 598 respectively, which confi”
Sustainable Cauliflower-Patterned CuFe2O4 Electrode Production from Chalcopyrite for Supercapacitor Applications DOI: 10.3390/nano13061105 -
Siloxane (Si-O-Si) confiance 1,0
“Again, the integration of shell nacre was confirmed by the shift in siloxane peaks at 598, 846, 1008, and integration of shell nacre was confirmed by the shift in siloxane peaks at 598, 846, 1008,”
Wilson 和 Pampadykandathil - 2023 - Novel Bone Void Filling Cement Compositions Based DOI: 10.3390/bioengineering10070752 -
Metal oxygen confiance 0,95
“Explicit assignment: metal-oxygen stretching vibrations of hexagonal ferrites.”
Role of Nd-Ni on structural, spectral and dielectric properties of strontium-barium based nano-sized X-type ferrites DOI: 10.1016/j.ceramint.2017.11.049
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