What absorbs at 2970 cm⁻¹ in an FTIR spectrum?
A band near 2970 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
Aseiniadau grŵp swyddogaethol posibl
| Grŵp swyddogaethol | Ffeithiau ategol | Ffynonellau a ddyfynnwyd | Hyder uchaf |
|---|---|---|---|
| Alkyl C-H | 4 | 2 | 0.9 |
| Methyl | 1 | 1 | 0.9 |
| Aromatic ring | 1 | 1 | 0.9 |
| Hydroxyl (O-H) | 1 | 1 | 0.8 |
Mae＇r safle＇n adlewyrchu tystiolaeth llenyddiaeth gronnwyd, nid rheol awdurdodol sengl. Cadarnhewch bob amser yn erbyn eich cyd-destun sampl.
Llenyddiaeth y tu ôl i＇r aseiniadau hyn
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Aromatic ring hyder 0.9
“Peak at 2970 cm-1 assigned to aromatic rings.”
Szymanska 等 - 2016 - Preparation and characterization of reactive liqui DOI: 10.1515/polyeng-2014-0393 -
Alkyl C-H hyder 0.9
“Explicitly stated: 'C H stretching, 2970 cm-1'”
Alam 等 - 2023 - Assessment of quality of commercial hand sanitizer DOI: 10.1016/j.mex.2023.102274 -
Methyl hyder 0.9
“Explicit assignment: same sentence as above.”
Alcaraz-Zapata 等 - 2019 - DOI: 10.15446/dyna.v86n208.72019 -
Alkyl C-H hyder 0.9
“Text mentions 'band at 2970 cm-1 is associated with C-H aliphatic'.”
Giraldo 等 - 2022 - Development of a Novel Green Bio-Nanofluid from Sa DOI: 10.3390/pr10061057 -
hyder 0.9
“Explicit assignment: '2970 cm-1 (benzene ring, CH)'”
Korolkov 等 - 2021 - Preparation of Hydrophobic PET Track-Etched Membra DOI: 10.3390/membranes11080637 -
hyder 0.9
“Text: 'bands at 2970 were assigned to C sp3-H str'”
Zhang 等 - 2022 - Facile Synthesis of Microporous Ferrocenyl Polymer DOI: 10.3390/polym14091900 -
hyder 0.8
“Described as steep peak for functional groups.”
Banerjee 等 - 2014 - Thin film encapsulation of nano composites of poly DOI: 10.1039/c4ra10183a -
hyder 0.8
“Saturated C-H groups on PVC chains appeared at 2970-2800 cm-1.”
Abdel-Baset 等 - 2016 - Characterization and Optical and Dielectric Proper DOI: 10.1155/2016/1707018
Oes gennych sbectrwm gyda＇r band hwn?
Llwythwch eich sbectrwm FTIR i fyny a chael adroddiad dehongli llawn — aseiniadau brig gyda chyfeiriadau llenyddiaeth, cyfateb llyfrgell, a chadwyn dystiolaeth â gradd hyder — mewn eiliadau.
Dehongli fy sbectrwm