What absorbs at 3050 cm⁻¹ in an FTIR spectrum?
A band near 3050 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 4 cited sources
Aseiniadau grŵp swyddogaethol posibl
| Grŵp swyddogaethol | Ffeithiau ategol | Ffynonellau a ddyfynnwyd | Hyder uchaf |
|---|---|---|---|
| Aromatic ring | 4 | 1 | 0.9 |
| Oxygen heterocycle | 1 | 1 | 0.9 |
| Amide | 1 | 1 | 0.8 |
| Hydroxyl (O-H) | 1 | 0 | 0.8 |
| Alkyl C-H | 1 | 0 | 0.7 |
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
“Assigned to aromatic C-H stretches.”
Ashraf 等 - 2018 - Synthesis of polyimides from alpha,alpha '-bis(3-a DOI: 10.1016/j.molstruc.2018.01.098 -
hyder 0.9
“Explicit assignment: 'small peaks at 3050 cm-1 ... C-H out-of-plane stretching vibrations'”
D'angelo 和 Zodrow - 2022 - Chemotaxonomic comparison of the seed ferns Odonto DOI: 10.18261/let.55.2.8 -
Oxygen heterocycle hyder 0.9
“Weak band at 3050 cm-1 corresponding to epoxy terminal group.”
Sousa 等 - 2020 - PDMS Based Hybrid Sol-Gel Materials for Sensing Ap DOI: 10.3390/polym12020371 -
Amide hyder 0.8
“Assigned to amide B, N-H bending, first overtone (proteins).”
Pietrzak 和 Miller - 2005 - Microchemical structure of soybean seeds revealed DOI: 10.1021/jf050608x
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