What absorbs at 1118 cm⁻¹ in an FTIR spectrum?
A band near 1118 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 |
|---|---|---|---|
| Carbohydrate | 2 | 2 | 0.9 |
| Ester | 1 | 1 | 1.0 |
| Silicon-oxygen (Si-O) | 1 | 1 | 0.9 |
| Alkyl C-H | 1 | 1 | 0.9 |
| Lignin | 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
-
Ester kumpiyansa 1.0
“Explicitly assigned to ester group vibrations.”
Chaparro 等 - 2023 - Biowaxes from Palm Oil as Promising Candidates for DOI: 10.3390/ma16124402 -
Lignin kumpiyansa 0.9
“Explicit assignment: 'FTIR peak at ~1118 cm-1 attributed to lignin'.”
Boruah 等 - 2019 - Exploring the lignolytic potential of a new laccas DOI: 10.1016/j.ibiod.2019.104726 -
Carbohydrate kumpiyansa 0.9
“Glucose-specific peak”
Eikje - 2011 - In vivo interstitial glucose characterization and DOI: 10.1117/12.874735 -
Alkyl C-H kumpiyansa 0.9
“Text: '1118 cm-1 for C-H bending'.”
Jana 等 - 2021 - Bromo-substituted blocked hexamethylene diisocyana DOI: 10.1080/10601325.2020.1845569 -
kumpiyansa 0.9
“Explicit assignment: 1118 cm-1 for -Ar-O-.”
Li 等 - 2013 - Polycyclotriphosphazene Derivative Grafted and Nan DOI: 10.5012/jkcs.2013.57.5.625 -
Silicon-oxygen (Si-O) kumpiyansa 0.9
“Explicit assignment: Si-O MMT”
Oviedo Mendoza 等 - 2015 - Correlation between Electrical Properties and Pote DOI: 10.1155/2015/710425 -
kumpiyansa 0.9
“Explicit assignment: 'assigned the C-C macrocycle ring deformation'.”
Rodriguez Gomez 等 - 2014 - Optical Absorption and Visible Photoluminescence f DOI: 10.3390/ma7096585 -
kumpiyansa 0.7
“Peak at 1118 cm-1 assigned to P=N.”
Appavoo 等 - 2020 - Cardanol and Eugenol Sourced Sustainable Non-halog DOI: 10.3389/fchem.2020.00711
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