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
Quick answer
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
Spectrum logic
A functional-group assignment becomes more reliable when several expected bands appear together. Use this page to find the strongest-supported peaks, then confirm that the same sample exhibits a coherent pattern rather than a single isolated hit.
Real-world usage
These pages are useful for unknown material analysis, peak explanation in reports, polymer troubleshooting, and verifying whether a candidate material family is chemically plausible.
Common mistakes
- Using one functional-group page as a complete material verdict without checking the rest of the spectrum.
- Assuming the strongest band is always the most diagnostic one.
- Forgetting that processing, additives, aging, and mixtures can shift or broaden expected peaks.
Verification advice
Use DSC, GC-MS, or TGA when several material families share similar bands or when mixture effects make the FTIR assignment uncertain.
这些分配背后的文献
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2106 cm⁻¹ 置信度 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 置信度 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 置信度 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 置信度 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 置信度 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 置信度 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 置信度 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 置信度 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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