What absorbs at 1702 cm⁻¹ in an FTIR spectrum?
A band near 1702 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 |
|---|---|---|---|
| Carbonyl (C=O) | 6 | 6 | 0.9 |
| Carboxyl (COOH) | 1 | 1 | 0.9 |
| Imide | 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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Carbonyl (C=O) hyder 0.9
“Explicit assignment: 'peaks for C=O stretching at 1702.048 cm-1'”
Babaniyi 等 - 2020 - Recycling of used polyethylene through solvent ble DOI: 10.1016/j.jcomc.2020.100021 -
Carbonyl (C=O) hyder 0.9
“Explicit assignment to C=O stretching.”
Ali 等 - 2022 - Synthesis, column packing and liquid chromatograph DOI: 10.1039/d2ra02357a -
Carbonyl (C=O) hyder 0.9
“Same as above.”
Jadhav 等 - 2016 - Synthesis of poly(N-isopropylacrylamide) by distil DOI: 10.1002/app.44181 -
Carbonyl (C=O) hyder 0.9
“Band at 1702 cm-1 assigned to C=O stretch.”
Ressnig 等 - 2014 - Decomposition synthesis of tuneable, macroporous c DOI: 10.1039/c4ta03646h -
hyder 0.9
“non-H-bonded and H-bonded C=O stretching of urethane group”
Rogulska - 2018 - Transparent sulfur-containing thermoplastic polyur DOI: 10.1007/s00289-017-2088-x -
Carbonyl (C=O) hyder 0.9
“carbonyl stretching region”
Rogulska 等 - 2017 - The effect of chain extender structure on the prop DOI: 10.1007/s10973-016-5756-4 -
Carboxyl (COOH) hyder 0.9
“stretching vibration of C=O from -COOH”
Xu 等 - 2022 - Durable and high-efficiency casein-derived phospho DOI: 10.21203/rs.3.rs-884727/v1 -
Carbonyl (C=O) hyder 0.9
“Explicit assignment in text: 'carbonyl group (C=O) at around 1702 cm-1'”
Xu 等 - 2023 - Enhancing Flotation Performance of Low-Rank Coal U DOI: 10.3390/min13060717
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