What absorbs at 3020 cm⁻¹ in an FTIR spectrum?
A band near 3020 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 3 cited sources
Aseiniadau grŵp swyddogaethol posibl
| Grŵp swyddogaethol | Ffeithiau ategol | Ffynonellau a ddyfynnwyd | Hyder uchaf |
|---|---|---|---|
| Alkyl C-H | 3 | 1 | 1.0 |
| Alkene (C=C) | 1 | 1 | 1.0 |
| N n bond | 1 | 1 | 1.0 |
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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N n bond hyder 1.0
“Band strength and integrated cross-sections missing bands are (3020/3009 (3009/ 2 3 cm(cid:3)1), cm(cid:3)1), cm(cid:3)1) n n Band strength is an important spectroscopic parameter 2968 (2999/2968 (2917/2917 4”
Temperature-dependent absorption cross-section measurements of 1-butene (1-C4H8) in VUV and IR DOI: 10.1016/j.jqsrt.2012.09.014 -
Alkyl C-H hyder 1.0
“For example, three bands at around 1600 cm-1, 1510 cm-1, and 1442 cm-1 a tiny band at about 3020 associated with the C-H vibration of the alkene and the aromatic ring cm-1, attributed to the C=C stretching in the aromatic ring of RE, can be”
Synthesis and Characterization of Novel Resveratrol Butyrate Esters That Have the Ability to Prevent Fat Accumulation in a Liver Cell Culture Model DOI: 10.3390/molecules25184199 -
Alkene (C=C) hyder 1.0
“In addition, Antioxidants2021,10,420 5of14 cm-1, a small band at approximately 3020 which was associated with the alkene and cm-1, aromatic C-H vibrations, and a band at 1662 which was ascribed to the alkene C=C”
Synthesis of Short-Chain-Fatty-Acid Resveratrol Esters and Their Antioxidant Properties DOI: 10.3390/antiox10030420
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