Oxygen heterocycle — FTIR absorption peaks and assignments
These are the characteristic FTIR wavenumbers where Oxygen heterocycle 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
Characteristic FTIR peaks for Oxygen heterocycle
| Wavenumber (cm⁻¹) | Supporting facts | Cited sources | Top confidence |
|---|---|---|---|
| 915 | 6 | 5 | 0.95 |
| 910 | 5 | 5 | 0.95 |
| 916 | 4 | 4 | 0.9 |
| 906 | 3 | 2 | 1.0 |
| 820 | 2 | 2 | 1.0 |
| 758 | 2 | 2 | 0.9 |
| 1250 | 2 | 2 | 0.8 |
| 907 | 2 | 1 | 1.0 |
| 750 | 2 | 0 | 0.9 |
| 904 | 1 | 1 | 1.0 |
| 997 | 1 | 1 | 0.95 |
| 823 | 1 | 1 | 0.95 |
| 845 | 1 | 1 | 0.9 |
| 795 | 1 | 1 | 0.9 |
| 918 | 1 | 1 | 0.9 |
| 1571 | 1 | 1 | 0.9 |
| 1087 | 1 | 1 | 0.9 |
| 3050 | 1 | 1 | 0.9 |
| 3060 | 1 | 1 | 0.9 |
| 589 | 1 | 1 | 0.9 |
| 852 | 1 | 1 | 0.9 |
| 903 | 1 | 1 | 0.9 |
| 1047 | 1 | 1 | 0.9 |
| 914 | 1 | 1 | 0.9 |
| 830 | 1 | 1 | 0.9 |
| 1200 | 1 | 1 | 0.9 |
| 1218 | 1 | 1 | 0.9 |
| 1266 | 1 | 1 | 0.9 |
| 934 | 1 | 1 | 0.9 |
| 824 | 1 | 1 | 0.9 |
Showing the 30 best-supported peaks of 50 total for Oxygen heterocycle.
Literature behind these assignments
-
820 cm⁻¹ confidence 1.0
“Peak of an epoxy group at 820 cm-1”
Abdullah 等 - 2016 - Polyesters Based on Linoleic Acid for Biolubricant DOI: 10.1371/journal.pone.0151603 -
904 cm⁻¹ confidence 1.0
“Explicit assignment in text.”
Pourchet 等 - 2019 - New Reactive Isoeugenol Based Phosphate Flame Reta DOI: 10.1021/acssuschemeng.9b02629 -
907 cm⁻¹ confidence 1.0
“Text: '907 for epoxy ring of GMA'”
Yilmaz 等 - 2017 - Synthesis and Characterization of Functional Acryl DOI: 10.1063/1.5018501 -
823 cm⁻¹ confidence 0.95
“Explicit assignment: peak at 823 corresponded to epoxy groups”
Cao 等 - 2019 - Bio-Based Coating Materials Derived from Acetoacet DOI: 10.3390/polym11111809 -
997 cm⁻¹ confidence 0.95
“Explicit assignment in text: 'epoxide FTIR bands positioned at 997, 910'”
Djellali 等 - 2013 - Structural, morphological and mechanical character DOI: 10.1007/s13726-013-0126-6 -
915 cm⁻¹ confidence 0.95
“band centered at 915 assigned to out-of-plane bending vibration of the epoxy group”
Razquin 等 - 2020 - Reprogrammable Permanent Shape Memory Materials Ba DOI: 10.3390/molecules25071568 -
910 cm⁻¹ confidence 0.95
“Disappearance of absorption band at 910 cm-1 indicates completeness of epoxy group conversion.”
Slobodinyuk 等 - 2022 - Preparation, Structure and Properties of Urethane- DOI: 10.3390/polym14030524 -
916 cm⁻¹ confidence 0.9
“Epoxy ring band; decreasing intensity indicates reaction.”
Barbadillo 等 - 2003 - Study of a curing reaction of an epoxy resin DOI: 10.4028/www.scientific.net/MSF.426-432.2163
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