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
Hurtigt svar
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
Spektrumlogik
En funktionel gruppetildeling bliver mere pålidelig, når flere forventede bånd optræder sammen. Brug denne side til at finde de stærkest understøttede toppe, og bekræft derefter, at den samme prøve udviser et sammenhængende mønster snarere end et enkelt isoleret hit.
Anvendelse i virkeligheden
Disse sider er nyttige til analyse af ukendte materialer, topforklaring i rapporter, polymerfejlfinding og verifikation af, om en kandidatmaterialefamilie er kemisk plausibel.
Almindelige fejl
- Brug af én funktionel-gruppe-side som en komplet materialebedømmelse uden at kontrollere resten af spektret.
- Antager, at det stærkeste bånd altid er det mest diagnostiske.
- At glemme, at forarbejdning, tilsætningsstoffer, ældning og blandinger kan flytte eller udvide forventede toppe.
Verifikationsrådgivning
Brug DSC, GC-MS eller TGA, når flere materialefamilier deler lignende bånd, eller når blandings-effekter gør FTIR-tildelingen usikker.
Litteratur bag disse tildelinger
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2106 cm⁻¹ tillid 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 tillid 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 tillid 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 tillid 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 tillid 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 tillid 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 tillid 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 tillid 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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