What absorbs at 733 cm⁻¹ in an FTIR spectrum?
A band near 733 cm⁻¹ can point to several functional groups. Below are the most likely assignments, ranked by how much published evidence supports each — every one traceable to literature (DOI) and cross-validated against our 130,000+ reference spectra and knowledge graph.
Backed by 4 cited sources
Možne dodelitve funkcionalnih skupin
| Funkcionalna skupina | Podporna dejstva | Citirani viri | Najvišje zaupanje |
|---|---|---|---|
| Ketone | 2 | 2 | 1,0 |
| Carbonyl (C=O) | 2 | 2 | 1,0 |
| Methacrylate | 1 | 1 | 1,0 |
| Ester | 1 | 1 | 1,0 |
| Carboxyl (COOH) | 1 | 1 | 1,0 |
| Amide | 1 | 1 | 1,0 |
| Acetate | 1 | 1 | 1,0 |
| C c single bond | 1 | 1 | 1,0 |
| Metal oxygen | 1 | 1 | 1,0 |
Razvrstitev odraža zbrane literaturne dokaze, ne enega avtoritativnega pravila. Vedno preverite glede na kontekst vašega vzorca.
Literatura za temi dodelitvami
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zaupanje 1,0
“An FTIR investigation shows that the SnO 2-doped GO nanocomposite exhibits two distinct bands at 733 and cm-1 cm-1 438 due to terminal oxygen vibrations, while samples treated with G-O-Sn-O exhibit bands at 733 due to antisymmetric stretchi”
Reactive Oxygen Species (ROS) Are Generated as Organic Contaminants Are Broken Down: SnO DOI: 10.1007/s12668-023-01111-3 -
C c single bond zaupanje 1,0
“deformation of (C-C) bond is observed at 733 Besides, the absorption bonds cm-1 located at 1485 and 1436 in IR spectrum are assigned to the (C-N-H) sym-”
Growth, crystal structure, Hirshfeld surface and vibrational properties of a new supramolecular hybrid material: (C4H7N2)2TeBr6 DOI: 10.1007/s00289-021-04053-6 -
Carbonyl (C=O) zaupanje 1,0
“the disappearance of ester linkage absorption (1,733 cm-1 band is also a carbonyl stretching band due to para-substituted ketones The 1,653 or aryl aldehydes, which has the same absorbance among the seven FTIR spectra.”
Ruzene 等 - 2008 - An alternative application to the Portuguese agro- DOI: 10.1007/s12010-007-8066-2 -
Acetate zaupanje 1,0
“The analysis was performed in order to observe the presence of FTIR bands that could reflects the potential of hydrolysis, such as the bands in approximately 3300 (O-H stretching vibrations), 733 (C=O stretching originating from esters or a”
de Souza 等 - 2019 - Screening of fungal strains with potentiality to h DOI: 10.4025/actascitechnol.v41i1.39693
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