Aldehyde (CHO) — FTIR absorption peaks and assignments
These are the characteristic FTIR wavenumbers where Aldehyde (CHO) 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 Aldehyde (CHO)
| Wavenumber (cm⁻¹) | Supporting facts | Cited sources | Top confidence |
|---|---|---|---|
| 860 | 3 | 3 | 0.9 |
| 1080 | 3 | 3 | 0.9 |
| 1150 | 3 | 3 | 0.9 |
| 1160 | 3 | 3 | 0.9 |
| 930 | 2 | 2 | 0.9 |
| 1700 | 1 | 1 | 1.0 |
| 2849 | 1 | 1 | 0.95 |
| 1760 | 1 | 1 | 0.9 |
| 1646 | 1 | 1 | 0.9 |
| 1748 | 1 | 1 | 0.9 |
| 1674 | 1 | 1 | 0.9 |
| 1044 | 1 | 1 | 0.9 |
| 1705 | 1 | 1 | 0.9 |
| 929 | 1 | 1 | 0.9 |
| 1720 | 1 | 1 | 0.9 |
| 1675 | 1 | 1 | 0.9 |
| 2715 | 1 | 1 | 0.9 |
| 1372 | 1 | 1 | 0.8 |
| 972 | 1 | 1 | 0.8 |
| 1092 | 1 | 1 | 0.8 |
| 1121 | 1 | 1 | 0.8 |
Literature behind these assignments
-
1700 cm⁻¹ confidence 1.0
“Text: 'carbonyl absorbance peak at ~1700 (C=O_1700) showed the existence of carboxyl, alde'”
Wang 等 - 2021 - Surface Chemical Heterogeneity of Low Rank Coal Ch DOI: 10.3390/min11030239 -
2849 cm⁻¹ confidence 0.95
“Explicit assignment: '2,849.2 for aldehydes (H-C = O: C-H stretch)'.”
Al-Baldawi 等 - 2020 - Role of Salvinia molesta in biodecolorization of m DOI: 10.1038/s41598-020-70740-5 -
2715 cm⁻¹ confidence 0.9
“characteristic aldehyde peak”
Razgon 等 - 2008 - Ozonolysis-based route to the in situ formation of DOI: 10.1021/la703120c -
1675 cm⁻¹ confidence 0.9
“Assigned to aldehyde vibration.”
Sahmetlioglu 等 - 2006 - Synthesis and characterization of oligosalicylalde DOI: 10.2478/s11696-006-0012-1 -
1720 cm⁻¹ confidence 0.9
“weak band characteristic for stretching C=O of aldehyde”
Salem 等 - 2019 - Synthesis of compounds having antimicrobial activi DOI: 10.1016/j.bioorg.2019.03.013 -
1160 cm⁻¹ confidence 0.9
“Explicit assignment in text.”
Yu - 2011 - Microprobing the molecular spatial distribution an DOI: 10.1107/S0909049511023727 -
1160 cm⁻¹ confidence 0.9
“Explicit assignment in text.”
Yu 等 - 2004 - Imaging molecular chemistry of pioneer corn DOI: 10.1021/jf049291b -
1160 cm⁻¹ confidence 0.9
“Explicitly assigned to CHO”
Yu 等 - 2007 - Rapid characterization of molecular chemistry, nut DOI: 10.1107/S0909049507014264
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