What absorbs at 1449 cm⁻¹ in an FTIR spectrum?
A band near 1449 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 5 cited sources
Aseiniadau grŵp swyddogaethol posibl
| Grŵp swyddogaethol | Ffeithiau ategol | Ffynonellau a ddyfynnwyd | Hyder uchaf |
|---|---|---|---|
| Hydroxyl (O-H) | 1 | 1 | 1.0 |
| C c single bond | 1 | 1 | 0.9 |
| Carbonyl (C=O) | 1 | 1 | 0.9 |
| Alkyl C-H | 1 | 1 | 0.9 |
| Carboxyl (COOH) | 1 | 1 | 0.9 |
| Aromatic ring | 1 | 0 | 0.9 |
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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Hydroxyl (O-H) hyder 1.0
“Explicit assignment: '1449 for O-H bending'”
Owonubi 等 - 2018 - Characterization and in vitro release kinetics of DOI: 10.1007/s40090-018-0139-2 -
Carboxyl (COOH) hyder 0.9
“symmetric stretching vibration of -COOC-”
Chen 等 - 2021 - Novel Approach for Fine Ilmenite Flotation Using H DOI: 10.3390/min11030231 -
Alkyl C-H hyder 0.9
“Explicit assignment: 'bands in the range of 1638 and 1449 belong to C=C and CH symmetric stretching'.”
Cheng 等 - 2018 - A new approach to improve mechanical properties an DOI: 10.1016/j.conbuildmat.2018.05.134 -
Carbonyl (C=O) hyder 0.9
“Assigned to bending vibrations of C=O.”
Gao 等 - 2018 - Effect of Corrosion Inhibitors on Chromate-free Pa DOI: 10.5755/j01.ms.24.3.16330 -
C c single bond hyder 0.9
“Explicit assignment in text.”
Mozaffari 和 Gashti - 2022 - Air Plasma Functionalization of Electrospun Nanofi DOI: 10.3390/biomedicines10030617
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