What absorbs at 3336 cm⁻¹ in an FTIR spectrum?
A band near 3336 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 |
|---|---|---|---|
| Hydroxyl (O-H) | 7 | 7 | 0.95 |
| N h | 2 | 2 | 1.0 |
| Amine primary | 1 | 1 | 1.0 |
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
-
N h kumpiyansa 1.0
“N-H stretching”
Khaliq 等 - 2023 - A novel study for producing complexed and encapsul DOI: 10.1038/s41598-023-37607-x -
Amine primary kumpiyansa 1.0
“attributed to primary amine”
Rozi 等 - 2016 - Characterization of Ultraviolet-Photocured Acrylam DOI: 10.1063/1.4966755 -
Hydroxyl (O-H) kumpiyansa 0.95
“Text: 'peak located ≈ 3336 was obtained from the -OH stretching'.”
Boonsuk 等 - 2021 - Structure-properties relationships in alkaline tre DOI: 10.1016/j.aiepr.2019.11.003. -
Hydroxyl (O-H) kumpiyansa 0.9
“Explicit assignment: peak intensity of OH group from jute cotton fibers occurred at 3336 cm-1.”
Rahman 等 - 2015 - Synthesis of Cotton from Tossa Jute Fiber and Comp DOI: 10.1155/2015/470928 -
Hydroxyl (O-H) kumpiyansa 0.9
“Stretching vibration absorption peak of -OH group in MCC.”
Pan 等 - 2020 - Preparation and Properties of Microcrystalline Cel DOI: 10.3390/ma13194370 -
Hydroxyl (O-H) kumpiyansa 0.9
“Explicit assignment: 'presence of the hydrox' (hydroxyl).”
Paranthaman 等 - 2022 - Anti-Proliferative Potential of Quercetin Loaded P DOI: 10.3390/pharmaceutics14081643 -
N h kumpiyansa 0.9
“Symmetric stretching vibration of NH group.”
Sivasankari 等 - 2013 - Synthesis and Characterization of Thiophene Contai DOI: 10.14233/ajchem.2013.13514 -
Hydroxyl (O-H) kumpiyansa 0.9
“Explicitly assigned to -OH stretching vibrations.”
Sun 等 - 2023 - Effect of Vacuum Heat Treatment on Larch Earlywood DOI: 10.3390/f14010043
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