What absorbs at 1688 cm⁻¹ in an FTIR spectrum?
A band near 1688 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
Mga posibleng pagtatalaga ng functional-group
| Functional group | Mga sumusuportang katotohanan | Mga nasiping sanggunian | Pinakamataas na kumpiyansa |
|---|---|---|---|
| Carbonyl (C=O) | 5 | 5 | 0.9 |
| Hydroxyl (O-H) | 1 | 1 | 0.9 |
| C=n | 1 | 0 | 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
-
Carbonyl (C=O) kumpiyansa 0.9
“Explicit assignment in text.”
Elkasabi 等 - 2011 - Cellular transduction gradients via vapor-deposite DOI: 10.1016/j.biomaterials.2010.10.046. -
Carbonyl (C=O) kumpiyansa 0.9
“Carbonyl band at 1688 cm-1 assigned to keto functional group.”
Fabry 等 - 2019 - Adaptive and automated system-optimization for het DOI: 10.1039/c9re00032a -
Carbonyl (C=O) kumpiyansa 0.9
“Explicit assignment: 1688 belongs to C=O and -OH groups in acidification MWNT.”
Jia 等 - 2020 - Electrochemical preparation and application of PAN DOI: 10.1007/s13205-019-1950-y -
Carbonyl (C=O) kumpiyansa 0.9
“Text: 'C = cm-1 O group stretching at 1688.47 and 1653.46'”
Wisudyaningsih 等 - 2019 - Co-crystallization of quercetin and isonicotinamid DOI: 10.4314/tjpr.v18i4.3 -
Carbonyl (C=O) kumpiyansa 0.7
“Carbonyl stretching representing varying solvation.”
Li 等 - 2021 - Unveiling the self-association and desolvation in DOI: 10.1107/S2052252521003882
May spectrum ka ba na may ganitong band?
I-upload ang iyong FTIR spectrum at makakuha ng buong interpretasyon na ulat — mga pagtatalaga ng peak na may mga pagsipi ng literatura, pagtutugma ng library, at isang kadena ng ebidensya na may rating ng kumpiyansa — sa loob ng ilang segundo.
I-interpret ang aking spectrum