Carbonyl (C=O) — FTIR absorption peaks and assignments
These are the characteristic FTIR wavenumbers where Carbonyl (C=O) 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 Carbonyl (C=O)
| Număr de undă (cm⁻¹) | Fapte suport | Surse citate | Încredere maximă |
|---|---|---|---|
| 1700 | 67 | 60 | 1,0 |
| 1730 | 53 | 50 | 1,0 |
| 1740 | 49 | 41 | 1,0 |
| 1720 | 48 | 44 | 1,0 |
| 1650 | 32 | 28 | 1,0 |
| 1750 | 26 | 25 | 1,0 |
| 1735 | 26 | 24 | 1,0 |
| 1725 | 24 | 23 | 1,0 |
| 1724 | 20 | 19 | 0,95 |
| 1715 | 19 | 18 | 1,0 |
| 1710 | 18 | 17 | 1,0 |
| 1733 | 18 | 17 | 1,0 |
| 1723 | 17 | 16 | 1,0 |
| 1732 | 17 | 16 | 1,0 |
| 1745 | 17 | 15 | 1,0 |
| 1736 | 16 | 15 | 1,0 |
| 1718 | 16 | 12 | 1,0 |
| 1743 | 15 | 14 | 1,0 |
| 1728 | 15 | 13 | 1,0 |
| 1600 | 14 | 14 | 1,0 |
| 1729 | 14 | 12 | 1,0 |
| 1660 | 13 | 13 | 1,0 |
| 1744 | 13 | 13 | 0,9 |
| 1705 | 13 | 12 | 1,0 |
| 1716 | 13 | 12 | 1,0 |
| 1714 | 13 | 12 | 0,9 |
| 1734 | 13 | 11 | 1,0 |
| 1713 | 12 | 12 | 1,0 |
| 1731 | 12 | 12 | 1,0 |
| 1680 | 12 | 12 | 0,95 |
Showing the 30 best-supported peaks of 353 total for Carbonyl (C=O).
Literatura din spatele acestor atribuiri
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747 cm⁻¹ încredere 1,0
“Therefore, the ging band appears between 850 and regions, even though only one carbonyl group is present, prob746cm-1 747cm-1 in the infrared and in Raman is band at ably due to Fermi resonance.”
Arjunan 等 - 2007 - Fourier transform infrared and Raman spectral assi DOI: 10.1016/j.saa.2006.09.044 -
1731 cm⁻¹ încredere 1,0
“Initiator Dicumyl Peroxide which are characterized by the appearance of wave 100 phr (33 g) cyclic natural rubber (CNR) is cm-1 number absorption peaks in the area of 1731 weighed, then CNR is slowly inserted into the internal (absorption o”
Aritonang 等 - 2019 - Grafting of Oleic Acid On Cyclic Natural Rubber Re DOI: 10.13005/ojc/350119 -
1672 cm⁻¹ încredere 1,0
“The most intense bands were the carbonyl peak at 1672 cm-1 and the benzene ring stretching at 1514, 1477, and 1392 cm-1.”
Armenta 等 - 2005 - FTIR approaches for diuron determination in commer DOI: 10.1021/jf050268f -
1445 cm⁻¹ încredere 1,0
“N-C=O stretching at 1445 Other absorption On the other hand, it can be seen from Fig.”
Armenta 等 - 2007 - Determination of iprodione in agrochemicals by inf DOI: 10.1007/s00216-007-1152-z -
2137 cm⁻¹ încredere 1,0
“The peak value at 2137, and 3391 The presence of alkyl, benzyl, methyl, 500 nm showed a characteristic wavelength for the synthesis and carbonyl groups in the molecule and the polar groups like -OH -NH of gold nanoparticles to increase in a”
Arvindganth 和 Kathiravan - 2019 - Biogenic Synthesis of Gold Nanoparticle from Enico DOI: 10.1007/s12668-019-00656-6 -
1689 cm⁻¹ încredere 1,0
“Notably, the similar solvent, showed a similar spectral pattern cm-1 absorbance peaks around 1689, 1721 and 1740 qualitatively albeit different values of absorption denoted the absorption of the carbonyl functional group, intensity.”
Aziz 等 - 2020 - FTIR and HPLC-Based Metabolomics of Yacon Leaves E DOI: 10.22146/ijc.43453 -
1729 cm⁻¹ încredere 1,0
“Explicit assignment: 'The peak about 1729 cm-1 ... can be assigned to (C=O), the stretching mode of carbonyl groups'.”
Asghari 等 - 2013 - Evaluation of microwave and magnetic properties of DOI: 10.1016/j.matchemphys.2013.08.045 -
1642 cm⁻¹ încredere 1,0
“Explicit assignment.”
Dewi 等 - 2023 - Biologically-induced synthetic manganese carbonate DOI: 10.1016/j.heliyon.2023.e15919
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