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
可能的官能基指派
| 官能基 | 支持事實 | 引用來源 | 最高信心 |
|---|---|---|---|
| Alkyl C-H | 5 | 5 | 1.0 |
| Fluorine (C-F) | 1 | 1 | 0.9 |
排名反映累積的文獻證據，而非單一權威規則。請務必根據您的樣品背景進行確認。
這些指派背後的文獻
-
Alkyl C-H 信心 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 信心 1.0
“methylene chain”
Wei 等 - 2020 - Investigating flotation behavior and mechanism of DOI: 10.37190/ppmp/119662 -
信心 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 -
信心 0.9
“Explicit assignment in text.”
Aly 等 - 2020 - Corrosion Resistance of Mild Steel Coated with Pht DOI: 10.3390/coatings10111114 -
Alkyl C-H 信心 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) 信心 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 信心 0.9
“Explicit assignment in text.”
Liu 等 - 2019 - Characterization and Identification of Lacquer Fil DOI: 10.1007/BF02467555 -
Alkyl C-H 信心 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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