Azide — FTIR absorption peaks and assignments
These are the characteristic FTIR wavenumbers where Azide tends to absorb, compiled from published literature and ranked by supporting evidence. Each assignment is traceable to a source (DOI) and cross-validated against our 130,000+ reference spectra and knowledge graph.
Backed by 8 cited sources
Réponse rapide
Azide is usually assigned by looking for a recurring cluster of characteristic peaks rather than one exact textbook number. The table below shows where the literature most often places this group in FTIR, ranked by accumulated evidence.
Characteristic FTIR peaks for Azide
Logique du spectre
Une attribution de groupe fonctionnel devient plus fiable lorsque plusieurs bandes attendues apparaissent ensemble. Utilisez cette page pour trouver les pics les mieux soutenus, puis confirmez que le même échantillon présente un motif cohérent plutôt qu＇un seul hit isolé.
Utilisation réelle
Ces pages sont utiles pour l＇analyse de matériaux inconnus, l＇explication des pics dans les rapports, le dépannage des polymères et la vérification de la plausibilité chimique d＇une famille de matériaux candidate.
Erreurs courantes
- Utiliser une page de groupe fonctionnel comme verdict complet du matériau sans vérifier le reste du spectre.
- En supposant que la bande la plus forte est toujours la plus diagnostique.
- Oublier que le traitement, les additifs, le vieillissement et les mélanges peuvent décaler ou élargir les pics attendus.
Conseil de vérification
Utilisez DSC, GC-MS ou TGA lorsque plusieurs familles de matériaux partagent des bandes similaires ou lorsque les effets de mélange rendent l＇attribution FTIR incertaine.
Bibliographie derrière ces attributions
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2106 cm⁻¹ confiance 1,0
“entire peaks related to the presence of tosyl and the appearance of a new peak at 2106 The peak cm-1 at 2106 is assigned to the azide antisymmetric stretch.”
Awada 和 Daneault - 2015 - Chemical Modification of Poly(Vinyl Alcohol) in Wa DOI: 10.3390/app5040840 -
2112 cm⁻¹ confiance 1,0
“Regarding AASC, a strong peak at 2112 cm-1 was assigned to the azide group.”
Synthesis and Antioxidant Activity of Cationic 1,2,3-Triazole Functionalized Starch Derivatives DOI: 10.3390/polym12010112 -
2142 cm⁻¹ confiance 1,0
“cm-1 The appearance of the isocyanate peak at 2264 and the disappearance of the azide peak around cm-1 2142 confirmed the formation of the corresponding isocyanate.”
Himabindu 和 Palanisamy - 2017 - Ultrasoundand Temperature-Induced Gelation of Gl DOI: 10.3390/gels3020012 -
2100 cm⁻¹ confiance 1,0
“LLM confirmed rule peak-group candidate”
Joubert 等 - 2015 - Graft copolymers of hydroxyethyl cellulose by a 'g DOI: 10.1039/x0xx00000x -
2106 cm⁻¹ confiance 1,0
“For compound a new peak at around 2106 appeared Polymers2018,10,395 7of13 and can be attributed to the stretching vibration of the azide group.”
Luan 等 - 2018 - Antioxidant Activity and Antifungal Activity of Ch DOI: 10.3390/polym10040395 -
3300 cm⁻¹ confiance 1,0
“was used to confirm the completion of the click reaction Open materials.42 recently been extended to silicone Thus, as an through the disappearances of the alkyne and azide bands at cm-1 cm-1, ∼3300 ∼2095 example of another possible post po”
Madsen 等 - 2014 - Synthesis of telechelic vinylallyl functional sil DOI: 10.1039/c4py00919c -
2121 cm⁻¹ confiance 1,0
“LLM confirmed rule peak-group candidate”
Synthesis of double-clickable functionalised graphene oxide for biological applications DOI: 10.1039/c5cc05412e -
2122 cm⁻¹ confiance 1,0
“LLM confirmed rule peak-group candidate”
Phelan 等 - 2020 - Tracking glycosylation in live cells using FTIR sp DOI: 10.1016/j.talanta.2020.120737
See Azide in your own spectrum
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