What absorbs at 722 cm⁻¹ in an FTIR spectrum?
A band near 722 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 |
|---|---|---|---|
| Alkyl C-H | 5 | 5 | 1.0 |
| Fluorine (C-F) | 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
-
Alkyl C-H kumpiyansa 1.0
“Absorption band for (C-H) group vibration.”
Salimon 等 - 2011 - Hydrolysis optimization and characterization study DOI: 10.1186/1752-153X-5-67 -
Alkyl C-H kumpiyansa 1.0
“methylene chain”
Wei 等 - 2020 - Investigating flotation behavior and mechanism of DOI: 10.37190/ppmp/119662 -
kumpiyansa 0.95
“Text: 'peak at 721.79 corresponding to consecutive -CH2- groups'”
Tavares 等 - 2016 - Conductive Paper with Antibody-Like Film for Elect DOI: 10.1038/srep26132 -
kumpiyansa 0.9
“Explicit assignment in text.”
Aly 等 - 2020 - Corrosion Resistance of Mild Steel Coated with Pht DOI: 10.3390/coatings10111114 -
Alkyl C-H kumpiyansa 0.9
“Explicit assignment: 'peak appearing at 722 (C-H bending)'”
Ch'ng 等 - 2016 - Vasorelaxation Study and Tri-Step Infrared Spectro DOI: 10.3831/KPI.2016.19.016 -
Fluorine (C-F) kumpiyansa 0.9
“Shifted from 727 when combined with PEO and MWCNT”
Delgado-Rosero 等 - 2023 - Composite Polymer Electrolytes Based on (PEO)(4)CF DOI: 10.3390/polym15010049 -
Alkyl C-H kumpiyansa 0.9
“Explicit assignment in text.”
Liu 等 - 2019 - Characterization and Identification of Lacquer Fil DOI: 10.1007/BF02467555 -
Alkyl C-H kumpiyansa 0.8
“Text states 'satellite band at 722 cm-1 is due to the ν 1007 Rocking out of phase of CH2'.”
Rizzuto 等 - 2022 - Plasticizers and Salt Concentrations Effects on Po DOI: 10.3390/gels8060363
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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.
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