What absorbs at 1421 cm⁻¹ in an FTIR spectrum?
A band near 1421 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
Aseiniadau grŵp swyddogaethol posibl
| Grŵp swyddogaethol | Ffeithiau ategol | Ffynonellau a ddyfynnwyd | Hyder uchaf |
|---|---|---|---|
| Alkyl C-H | 1 | 1 | 0.9 |
| C n single bond | 1 | 1 | 0.9 |
| Acetate | 1 | 1 | 0.9 |
| Carbonyl (C=O) | 1 | 1 | 0.9 |
| Lignin | 1 | 1 | 0.8 |
| Carbonate | 1 | 1 | 0.8 |
| Carbohydrate | 1 | 1 | 0.8 |
| Carboxyl (COOH) | 1 | 1 | 0.8 |
Mae＇r safle＇n adlewyrchu tystiolaeth llenyddiaeth gronnwyd, nid rheol awdurdodol sengl. Cadarnhewch bob amser yn erbyn eich cyd-destun sampl.
Llenyddiaeth y tu ôl i＇r aseiniadau hyn
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Carbonyl (C=O) hyder 0.9
“Explicit assignment.”
Suthakaran 等 - 2020 - Hydrothermal synthesis of surfactant assisted Zn d DOI: 10.1016/j.jpcs.2020.109407 -
Acetate hyder 0.9
“Explicit assignment to acetate symmetric stretching.”
Tangwiwat 和 Milne - 2005 - Barium titanate sols prepared by a diol-based sol- DOI: 10.1016/j.jnoncrysol.2004.12.008 -
C n single bond hyder 0.9
“Explicit assignment”
Kamari 和 Yusoff - 2019 - N-octyl chitosan derivatives as amphiphilic carrie DOI: 10.1515/chem-2019-0043 -
hyder 0.9
“band due to saturated aliphatic groups”
Mir 等 - 2022 - Chemical composition and insecticidal activity of DOI: 10.47665/tb.39.2.005 -
Alkyl C-H hyder 0.9
“Explicit assignment in text.”
Yerezhep 等 - 2023 - IR Spectroscopic Degradation Study of Thin Organom DOI: 10.3390/molecules28031288 -
Carboxyl (COOH) hyder 0.8
“Assigned to carboxylate symmetric stretch.”
Edelsbacher 等 - 2020 - Copper(II) complexes bearing cyclobutanecarboxylat DOI: 10.1007/s00706-020-02589-3 -
Carbohydrate hyder 0.8
“Associated with xylan.”
Khat-Udomkiri 等 - 2018 - Optimization of alkaline pretreatment and enzymati DOI: 10.1186/s13568-018-0645-9 -
Carbonate hyder 0.8
“Characteristic of B-type HA.”
Lee 等 - 2016 - Microstructure and Characteristics of Calcium Phos DOI: 10.3390/ma9120956
Oes gennych sbectrwm gyda＇r band hwn?
Llwythwch eich sbectrwm FTIR i fyny a chael adroddiad dehongli llawn — aseiniadau brig gyda chyfeiriadau llenyddiaeth, cyfateb llyfrgell, a chadwyn dystiolaeth â gradd hyder — mewn eiliadau.
Dehongli fy sbectrwm