What absorbs at 1269 cm⁻¹ in an FTIR spectrum?
A band near 1269 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 7 cited sources
Mga posibleng pagtatalaga ng functional-group
| Functional group | Mga sumusuportang katotohanan | Mga nasiping sanggunian | Pinakamataas na kumpiyansa |
|---|---|---|---|
| Amide | 2 | 2 | 0.8 |
| C-O single bond | 1 | 1 | 0.9 |
| C n single bond | 1 | 1 | 0.9 |
| Phosphate (PO4) | 1 | 1 | 0.8 |
| Protein | 1 | 1 | 0.7 |
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
-
kumpiyansa 0.9
“Text: 'at 1269 for N-C stretching'.”
Jana 等 - 2021 - Bromo-substituted blocked hexamethylene diisocyana DOI: 10.1080/10601325.2020.1845569 -
kumpiyansa 0.9
“Explicit assignment: guaiacyl ring breathing with carbonyl stretching (1269 cm-1).”
Dinant 等 - 2019 - Synchrotron FTIR and Raman spectroscopy provide un DOI: 10.1093/jxb/ery396 -
C n single bond kumpiyansa 0.9
“Ebastine at 1269 cm-1 (C-N stretch)”
Khom 等 - 2014 - Development of Mucoadhesive Nanoparticulate System DOI: 10.4314/tjpr.v13i7.2 -
C-O single bond kumpiyansa 0.9
“Explicit assignment in text.”
Lin 等 - 2017 - Coumarinand Carboxyl-Functionalized Supramolecul DOI: 10.3390/polym9040146 -
Amide kumpiyansa 0.8
“Text: 'wavenumbers around 1,269 cm-1 might be due to amide III or phosphate bands and ester C=O bond stretching'.”
Wang 等 - 2016 - Genetic and environmental variation in bovine milk DOI: 10.3168/jds.2015-10488 -
Protein kumpiyansa 0.7
“collagen band”
Ferreira Junior 等 - 2020 - The effect of hyperbaric oxygen therapy on bone ma DOI: 10.1186/s13014-020-01542-2 -
Amide kumpiyansa 0.7
“small peak”
Li 等 - 2002 - Purification and structural characterization of th DOI: 10.1074/jbc.M202721200
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