What absorbs at 1530 cm⁻¹ in an FTIR spectrum?
A band near 1530 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 |
|---|---|---|---|
| Amide | 6 | 5 | 0.95 |
| N-O bond | 4 | 3 | 0.9 |
| C=n | 3 | 3 | 0.95 |
| C n single bond | 3 | 3 | 0.9 |
| Urethane | 1 | 1 | 1.0 |
| Carbonyl (C=O) | 1 | 1 | 1.0 |
| Ammonium | 1 | 1 | 1.0 |
| Alkene (C=C) | 1 | 1 | 0.9 |
| Nitro (NO2) | 1 | 1 | 0.9 |
| Secondary amine | 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
-
Ammonium 信心 1.0
“Assigned to protonated amine.”
Conzatti 等 - 2019 - Thermosensitive PNIPAM grafted alginatechitosan P DOI: 10.1016/j.apsusc.2018.10.269 -
Carbonyl (C=O) 信心 1.0
“explicit assignment”
Krol 等 - 2021 - Polyurethane cationomers containing fluorinated so DOI: 10.1007/s00396-021-04819-4 -
C=n 信心 0.95
“Explicit assignment: 'A peak of 1530 due to C=N graphitic ring'”
Noda - 2013 - Formation of C-N-Si Film for Interlayer of Hard Ma DOI: 10.1088/1742-6596/417/1/012045 -
Amide 信心 0.95
“Text: '1529.82 ... identified as ... amide II (N-H bending)'”
Taokaew 等 - 2013 - Biosynthesis and Characterization of Nanocellulose DOI: 10.3390/ma6030782 -
C n single bond 信心 0.9
“Explicit assignment: 'peak at 1530 corresponding to the primary protein (C-N)'”
Khoironi 等 - 2023 - Impact of disposable mask microplastics pollution DOI: 10.1007/s11356-023-27651-5 -
N-O bond 信心 0.9
“N-O stretching of nitro group”
Ali 等 - 2023 - Characterization of plastic degrading bacteria iso DOI: 10.1016/j.sjbs.2023.103628 -
C n single bond 信心 0.9
“Text: 'C-N stretching and N-H bending vibrations at ca. 1530 (amide II)'”
Bonizzoni 等 - 2023 - Identifying Original and Restoration Materials thr DOI: 10.3390/app13116638 -
Nitro (NO2) 信心 0.9
“Absorption band for NS gas phase.”
Fujita 等 - 2011 - Selective hydrogenation of nitrostyrene to aminost DOI: 10.1016/j.supflu.2011.02.016
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