What absorbs at 1624 cm⁻¹ in an FTIR spectrum?
A band near 1624 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 | 4 | 0.9 |
| Protein beta sheet | 3 | 3 | 0.9 |
| Amide | 2 | 2 | 0.9 |
| N h | 2 | 2 | 0.9 |
| Hydroxyl (O-H) | 2 | 1 | 0.9 |
| C=n | 1 | 1 | 0.9 |
| Metal oxygen | 1 | 1 | 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
-
信心 0.9
“Explicit assignment: 'experimental peak at ca. 1624 cm-1 that is typically assigned to the vibrational stretch C2=O'.”
Kabir 等 - 2021 - The effect of hydrogen-bonding on flavin's infrare DOI: 10.1016/j.saa.2021.120110 -
Metal oxygen 信心 0.9
“Explicit assignment: '1624.33 Zn-O stretching'”
Norouzzadeh 等 - 2020 - Comparative study on dielectric and structural pro DOI: 10.1007/s10854-019-02517-0 -
Carbonyl (C=O) 信心 0.9
“Text: 'peaks observed at 1384, 1624 corresponded to C-O, C=O respectively.'”
Alkahtane 等 - 2022 - A possible theranostic approach of chitosan-coated DOI: 10.1016/j.sjbs.2021.08.078 -
Carbonyl (C=O) 信心 0.9
“Explicit assignment: peaks near 1624 cm-1 belong to stretching vibrations of C=O.”
Chen 等 - 2019 - In Vitro Toxicity Study of a Porous Iron(III) Meta DOI: 10.3390/molecules24071211 -
Carbonyl (C=O) 信心 0.9
“Explicit assignment: 'bands at 1624, 1605 and 1506 have been attributed to vibrations caused by carbonyl stretching'.”
Corrie 等 - 2022 - Multivariate Data Analysis and Central Composite D DOI: 10.3390/pharmaceutics14112395 -
信心 0.9
“Text: '1624 (primary amines N-H bending)'.”
Ghaderi 等 - 2017 - Thermal Stability and Kinetic Study of Fluvoxamine DOI: 10.15171/apb.2017.006 -
Protein beta sheet 信心 0.9
“Explicit assignment: amide I bands at 1624 and 1620 correspond to β-sheet structures.”
Guo 等 - 2020 - Ultrafine and High-Strength Silk Fibers Secreted b DOI: 10.3390/polym12112537 -
Hydroxyl (O-H) 信心 0.9
“attributed to O-H and N-H group on DOX”
Liu 等 - 2014 - NIR initiated and pH sensitive single-wall carbon DOI: 10.1039/C3TB21362E.
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