Nitrogen heterocycle — FTIR absorption peaks and assignments
These are the characteristic FTIR wavenumbers where Nitrogen 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 Nitrogen heterocycle
| Wavenumber (cm⁻¹) | Supporting facts | Cited sources | Top confidence |
|---|---|---|---|
| 1566 | 1 | 1 | 1.0 |
| 1465 | 1 | 1 | 1.0 |
| 1190 | 1 | 1 | 1.0 |
| 914 | 1 | 1 | 1.0 |
| 1490 | 1 | 1 | 1.0 |
| 1622 | 1 | 1 | 1.0 |
| 1455 | 1 | 1 | 1.0 |
| 1548 | 1 | 1 | 1.0 |
| 3158 | 1 | 1 | 0.95 |
| 808 | 1 | 1 | 0.9 |
| 1556 | 1 | 1 | 0.9 |
| 1425 | 1 | 1 | 0.9 |
| 1300 | 1 | 1 | 0.9 |
| 1562 | 1 | 1 | 0.9 |
| 1588 | 1 | 1 | 0.9 |
| 1114 | 1 | 1 | 0.9 |
| 1113 | 1 | 1 | 0.9 |
| 1538 | 1 | 1 | 0.9 |
| 1600 | 1 | 1 | 0.9 |
| 1478 | 1 | 1 | 0.9 |
| 1109 | 1 | 1 | 0.8 |
| 1104 | 1 | 1 | 0.8 |
| 1098 | 1 | 1 | 0.8 |
| 1200 | 1 | 1 | 0.8 |
| 736 | 1 | 1 | 0.8 |
| 860 | 1 | 1 | 0.8 |
| 1350 | 1 | 1 | 0.8 |
| 1480 | 1 | 1 | 0.8 |
| 1520 | 1 | 1 | 0.8 |
| 1560 | 1 | 1 | 0.8 |
Showing the 30 best-supported peaks of 41 total for Nitrogen heterocycle.
Literature behind these assignments
-
1566 cm⁻¹ confidence 1.0
“1566cm-1, R2 due to NH in-plane bending, triazine stretching In every case a, good linear fit was obtained with valand C-N stretching, respectively, [23] and so, these bands ues >0.999.”
Armenta 等 - 2004 - Determination of cyromazine in pesticide commercia DOI: 10.1016/j.aca.2004.02.063 -
1548 cm⁻¹ confidence 1.0
“Characteristic pyridine band.”
Liu 等 - 2021 - Novel hydrophobic catalysts to promote hydration a DOI: 10.1039/d1ra01188j -
914 cm⁻¹ confidence 1.0
“pyrrole ring vibration”
Soran 等 - 2017 - SYNTHESIS AND SPECTROSCOPIC CHARACTERIZATION OF HY DOI: 10.24193/subbchem.2017.2.08 -
3158 cm⁻¹ confidence 0.95
“Explicit assignment: 'at 3158 correspond to the CH stretching vibration within the imidazole ring'”
Pulyalina 等 - 2022 - Effect of ionic liquid on formation of copolyimide DOI: 10.1038/s41598-022-12377-0 -
1478 cm⁻¹ confidence 0.9
“Text mentions '1478 cm-1 (vibration of the pyrrole ring)'.”
Chatterjee 等 - 2013 - Nanochannel morphology of polypyrrole-ZnO nanocomp DOI: 10.1039/c3ta12796f -
1600 cm⁻¹ confidence 0.9
“Explicit assignment: 'band at ca. 1600 in the spectrum of 2 is assigned to pyridine'”
Errington 等 - 2009 - Extending the Lindqvist Family to Late 3d Transiti DOI: 10.1002/ejic.200900640 -
1538 cm⁻¹ confidence 0.9
“Explicit assignment in text.”
Munot 等 - 2019 - Electrochemical Investigations on Semi-conducting DOI: 10.4152/pea.201901043 -
1113 cm⁻¹ confidence 0.9
“Negative band at 1113-1114 cm-1 assigned to stretching mode of imidazole ring.”
Noguchi 等 - 1999 - Structure of a histidine ligand in the photosynthe DOI: 10.1021/bi990631
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