What absorbs at 1547 cm⁻¹ in an FTIR spectrum?
A band near 1547 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
Mga posibleng pagtatalaga ng functional-group
| Functional group | Mga sumusuportang katotohanan | Mga nasiping sanggunian | Pinakamataas na kumpiyansa |
|---|---|---|---|
| Amide | 4 | 3 | 0.9 |
| C=n | 1 | 1 | 0.9 |
| Protein alpha helix | 1 | 1 | 0.9 |
| C n single bond | 1 | 1 | 0.9 |
| C-O single bond | 1 | 1 | 0.8 |
Ang pagraranggo ay sumasalamin sa naipon na ebidensya ng literatura, hindi isang solong awtoritatibong tuntunin. Palaging kumpirmahin laban sa konteksto ng iyong sample.
Literatura sa likod ng mga pagtatalagang ito
-
C n single bond kumpiyansa 0.9
“Explicit assignment in text.”
Devi 等 - 2021 - Development of a water dispersible granule (WDG) f DOI: 10.1080/09583157.2021.1895073 -
Amide kumpiyansa 0.9
“Text: 'PSC were detected at wavenumbers of 1546.84 and 1551.66' and 'red shift of the amide II peak'”
Song 等 - 2019 - Physicochemical and Biocompatibility Properties of DOI: 10.3390/md17030137 -
Amide kumpiyansa 0.9
“Explicit assignment in text.”
Tyan 等 - 2004 - Proteomic profiling of platelet proteins by trypsi DOI: 10.1002/jbm.a.30129 -
Protein alpha helix kumpiyansa 0.9
“Explicit assignment: maximum peak at 1547 cm-1 corresponds to a-helix.”
Wang 等 - 2005 - Temperature effect on the structural stability, si DOI: 10.1016/j.bpc.2004.12.004 -
Amide kumpiyansa 0.9
“Explicit assignment: absorption peak at 1547 cm-1 ascribed to N-H bending vibrations of peptide bonds.”
Alfonso Martinez-Cruz 等 - 2011 - Nucleotide-induced conformational transitions in t DOI: 10.1093/protein/gzq073 -
C=n kumpiyansa 0.9
“Part of assignment for C=N absorption band.”
Bulycheva 等 - 2023 - One-Step Synthesis of Functional Sulfonated Polyna DOI: 10.3390/app13021073 -
C-O single bond kumpiyansa 0.8
“Peak represents C O and C O.”
Hadia 等 - 2014 - Effect of the Temperature on Structural and Optica DOI: 10.1166/jnn.2014.8861 -
kumpiyansa 0.7
“Suggested as potential candidate to discriminate ZIKV.”
Oliveira 等 - 2023 - Salivary Detection of Zika Virus Infection Using A DOI: 10.3390/diagnostics13081443
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