What absorbs at 1511 cm⁻¹ in an FTIR spectrum?
A band near 1511 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 5 cited sources
Moguće dodjele funkcionalnih skupina
| Funkcionalna skupina | Potporni dokazi | Citirani izvori | Najveća pouzdanost |
|---|---|---|---|
| Alkene (C=C) | 2 | 2 | 0,9 |
| Amide | 1 | 1 | 0,9 |
| Lignin | 1 | 1 | 0,9 |
| Aromatic ring | 1 | 1 | 0,8 |
Rangiranje odražava akumulirane literaturne dokaze, a ne jedno autoritativno pravilo. Uvijek provjerite u kontekstu vašeg uzorka.
Literatura iza ovih dodjela
-
Lignin pouzdanost 0,9
“Text: 'lignin peaks at ... 1511 and 1225 cm-1'.”
Pandey 和 Pitman - 2004 - Examination of the lignin content in a softwood an DOI: 10.1002/pola.20071 -
Alkene (C=C) pouzdanost 0,9
“Assigned to C=C (aromatic ring) stretching.”
Parhi 和 Suresh - 2016 - Transdermal delivery of Diltiazem HCl from matrix DOI: 10.1016/j.jare.2015.09.001 -
Amide pouzdanost 0,9
“amide II, situated at 1511”
Raditoiu 等 - 2019 - Application of Fourier-Transform Infrared Spectros DOI: 10.1007/978-3-030-05819-7_1 -
Aromatic ring pouzdanost 0,8
“Snippet: 'strong band at 1511' in range 1620-1500 cm-1 for aromatic C=C”
Saeed 等 - 2010 - Synthesis, crystal X-ray diffraction structure, vi DOI: 10.1016/j.molstruc.2010.09.035 -
Alkene (C=C) pouzdanost 0,7
“Text: '1600, 1511, ... C=C'”
Koo 等 - 2012 - Synthesis and Properties of Nonfluoro Aminated Pol DOI: 10.7317/pk.2012.36.5.564
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