What absorbs at 1591 cm⁻¹ in an FTIR spectrum?
A band near 1591 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 8 cited sources
Gán nhóm chức có thể
| Nhóm chức | Sự kiện hỗ trợ | Nguồn tham khảo | Độ tin cậy cao nhất |
|---|---|---|---|
| Aromatic ring | 6 | 5 | 1,0 |
| Amide | 6 | 5 | 1,0 |
| Alkene (C=C) | 4 | 4 | 1,0 |
| Methoxy (OCH3) | 4 | 4 | 1,0 |
| Methacrylate | 3 | 3 | 1,0 |
| C-O single bond | 3 | 3 | 1,0 |
| Acetate | 3 | 3 | 1,0 |
| Alkyl C-H | 2 | 2 | 1,0 |
| Carbonyl (C=O) | 2 | 1 | 1,0 |
| N h | 2 | 1 | 1,0 |
| Quinone | 1 | 1 | 1,0 |
| C c single bond | 1 | 1 | 1,0 |
| Carboxyl (COOH) | 1 | 1 | 1,0 |
| Ring structure | 1 | 1 | 1,0 |
| C=n | 1 | 1 | 0,9 |
| Secondary amine | 1 | 0 | 1,0 |
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Tài liệu tham khảo đằng sau các gán này
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độ tin cậy 1,0
“to 1573 The highest conducting sample contains 50 wt% of NH 4CF 3SO amine peak at 1591 × 10-7 cm-1.”
Characterizations of chitosan-ammonium triflate (NH4CF3SO3) complexes by FTIR and impedance spectroscopy DOI: 10.1002/pssa.200521016 -
Acetate độ tin cậy 1,0
“The peaks at 1591 and 1411 correspond and symmetric stretching vibrations of the C-O bond of the COOgroup, respectively to the asymmetric and symmetric stretching vibrations of the C-O bond of the COO- [36-38].”
Kim 等 - 2022 - Removal of Methyl Red from Aqueous Solution Using DOI: 10.3390/ijerph19159030 -
Aromatic ring độ tin cậy 1,0
“1591cm-1 The benzene ring C=C stretching vibration absorption peaks located at and 2994”
Li 等 - 2011 - The detection of Cypermethrin on the surface of Ap DOI: 10.4028/www.scientific.net/AMR.287-290.2991 -
Amide độ tin cậy 1,0
“The new peak at 1591 in acid equilibrated DHOA was assigned to the amide carbonyl”
Verma 等 - 2018 - Structural investigations on uranium(VI) and thori DOI: 10.1039/C7NJ04460G. -
Acetate độ tin cậy 1,0
“cm-1 cm-1 at the wave number 3468 Meanwhile of figure 2 (c) wavenumbers 1591 and 1288 show absorption of functional groups C = C and C - O as indicated by activated carbon/10wt% rGO.”
Wardani 等 - 2020 - Analysis of ChargingDischarging Supercapacitor Ac DOI: 10.1088/1742-6596/1491/1/012044 -
Alkene (C=C) độ tin cậy 1,0
“The C=C stretching mode of the quinoid ring appeared at 1591 cm-1, which was attributed to the stretching vibration of the o-meth-”
Synthesis, Characterization, and Antibacterial Potential of Poly(o-anisidine)/BaSO4 Nanocomposites with Enhanced Electrical Conductivity DOI: 10.3390/pr10091878 -
Amide độ tin cậy 1,0
“cm-1 cm-1 represent the aliphatic C-H stretching, 1651 is due to C Upon freeze drying procedure, the morphological details of the cm-1 = O stretching of the amide I, 1591 is the bending vibration microspheres are presented in Fig.”
Preparation, structural characterisation and release study of novel hybrid microspheres entrapping nanoselenium, produced by green synthesis DOI: 10.1049/iet-nbt.2016.0107 -
Alkyl C-H độ tin cậy 1,0
“cm1 and 1056 The bands at 1591 and 1583 can be attributed to -O-CH 2OH from the partly oxidised methanol”
Towards Methane Combustion Mechanism on Metal Oxides Supported Catalysts: Ceria Supported Palladium Catalysts DOI: 10.1007/s11244-019-01143-8
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