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
可能的官能基指派
| 官能基 | 支持事實 | 引用來源 | 最高信心 |
|---|---|---|---|
| Carbonyl (C=O) | 6 | 6 | 0.9 |
| Carboxyl (COOH) | 1 | 1 | 0.9 |
| Imide | 1 | 0 | 0.9 |
排名反映累積的文獻證據，而非單一權威規則。請務必根據您的樣品背景進行確認。
這些指派背後的文獻
-
Carbonyl (C=O) 信心 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) 信心 0.9
“Explicit assignment to C=O stretching.”
Ali 等 - 2022 - Synthesis, column packing and liquid chromatograph DOI: 10.1039/d2ra02357a -
Carbonyl (C=O) 信心 0.9
“Same as above.”
Jadhav 等 - 2016 - Synthesis of poly(N-isopropylacrylamide) by distil DOI: 10.1002/app.44181 -
Carbonyl (C=O) 信心 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 -
信心 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) 信心 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) 信心 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) 信心 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
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