What absorbs at 1539 cm⁻¹ in an FTIR spectrum?
A band near 1539 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 | 5 | 5 | 0.9 |
| N-O bond | 1 | 1 | 0.9 |
| N h | 1 | 1 | 0.9 |
| Alkyl C-H | 1 | 1 | 0.9 |
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
-
Amide kumpiyansa 0.9
“Amide-II band”
Popescu 等 - 2010 - Structural Analysis of Some Soluble Elastins by Me DOI: 10.1002/bip.21524 -
Amide kumpiyansa 0.9
“Explicit assignment: 'amide II ... peak ca. 1539'.”
Feng 等 - 2020 - Using advanced vibrational molecular spectroscopy DOI: 10.1371/journal.pone.0234126 -
Amide kumpiyansa 0.9
“Explicit assignment in text.”
Guo 等 - 2022 - Fast and Deep Diagnosis Using Blood-Based ATR-FTIR DOI: 10.3390/biom12121815 -
Alkyl C-H kumpiyansa 0.9
“Explicit assignment: attributable to (C-H) asymmetric stretch.”
Molon 和 Zebrowski - 2017 - Phylogenetic relationship and Fourier-transform in DOI: 10.1093/femsyr/fox031 -
Amide kumpiyansa 0.9
“Text: '1539 cm-1' in context of amide groups”
Qu 等 - 2016 - Microstructure and Characteristic of BiVO4 Prepare DOI: 10.3390/ma9030129 -
kumpiyansa 0.9
“Assigned to copper phthalocyanine”
Sanchez-Polo 等 - 2019 - An Archaeometric Characterization of Ecuadorian Po DOI: 10.1038/s41598-018-38293-w -
N h kumpiyansa 0.9
“Explicit assignment in text.”
Shafiq 等 - 2022 - Development and Optimization of Tamarind Gum-beta- DOI: 10.3390/ph15121527 -
kumpiyansa 0.9
“Text: 'bands observed at 1641 and 1539 correspond to the Amid I and Amid II bands'”
Tulukcu 等 - 2019 - Chemical Fingerprinting of Seeds of Some Salvia Sp DOI: 10.3390/foods8040118
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