What absorbs at 1617 cm⁻¹ in an FTIR spectrum?
A band near 1617 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 |
|---|---|---|---|
| Carbonyl (C=O) | 4 | 4 | 0.9 |
| Alkene (C=C) | 2 | 1 | 0.9 |
| Hydroxyl (O-H) | 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
-
Carbonyl (C=O) kumpiyansa 0.9
“Attributed to C=O.”
Hafsa 等 - 2017 - Effect of ultrasonic degradation of hyaluronic aci DOI: 10.1080/13880209.2016.1232740 -
Alkene (C=C) kumpiyansa 0.9
“ν(C=C) assignment from text.”
Lind 等 - 2022 - High Yielding, One-Pot Synthesis of Bis(1H-indazol DOI: 10.3390/reactions3010005 -
kumpiyansa 0.9
“C=O lignin aromatic ring groups at 1617 cm-1”
Wu 等 - 2020 - Study on the Properties of Transparent Bamboo Prep DOI: 10.3390/polym12040863 -
Carbonyl (C=O) kumpiyansa 0.9
“asymmetric stretching vibration of C=O”
Yan 等 - 2017 - Bioresponsive Materials for Drug Delivery Based on DOI: 10.3390/md15050127 -
Carbonyl (C=O) kumpiyansa 0.9
“Explicit assignment for RES”
Yang 等 - 2022 - Spray-Drying of Hydroxypropyl beta-Cyclodextrin Mi DOI: 10.3390/cryst12050596 -
Hydroxyl (O-H) kumpiyansa 0.8
“Attributed to OH bending vibrations from gypsum.”
Damjanovic 等 - 2015 - Spectroscopic investigation of two Serbian icons p DOI: 10.2298/JSC140722099D -
Carbonyl (C=O) kumpiyansa 0.5
“Text: 'peak of about 1617' but group not explicitly assigned; inferred from typical IR.”
Hu 等 - 2022 - Flotation Performance and Adsorption Mechanism of DOI: 10.3390/min12040441
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