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
Attributions possibles de groupes fonctionnels
| Groupe fonctionnel | Faits à l＇appui | Sources citées | Confiance maximale |
|---|---|---|---|
| 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 |
Le classement reflète les preuves bibliographiques accumulées, et non une règle faisant autorité. Confirmez toujours dans le contexte de votre échantillon.
Bibliographie derrière ces attributions
-
Ammonium confiance 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) confiance 1,0
“explicit assignment”
Krol 等 - 2021 - Polyurethane cationomers containing fluorinated so DOI: 10.1007/s00396-021-04819-4 -
C=n confiance 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 confiance 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 confiance 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 confiance 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 confiance 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) confiance 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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