What absorbs at 2923 cm⁻¹ in an FTIR spectrum?
A band near 2923 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 | 23 | 20 | 1.0 |
| Methyl | 1 | 1 | 0.9 |
| Lipid | 1 | 1 | 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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Alkyl C-H hyder 1.0
“Explicit assignment in text.”
Kharazmi 等 - 2015 - Structural, optical, opto-thermal and thermal prop DOI: 10.3762/bjnano.6.55 -
Alkyl C-H hyder 0.95
“Explicit assignment in text.”
Arul 等 - 2023 - Detoxification of Toxic Organic Dye by Heteroatom- DOI: 10.3390/agronomy13010205 -
Alkyl C-H hyder 0.9
“Explicit assignment in text”
Avilala 和 Golla - 2019 - ANTIBACTERIAL AND ANTIVIRAL PROPERTIES OF SILVER N DOI: 10.13040/IJPSR.0975-8232.10(3).1223-28 -
hyder 0.9
“Explicitly assigned as CAH stretching.”
Dutilleul 等 - 2013 - Root canal hydrophobization by dentinal silanizati DOI: 10.1002/jbm.b.32874 -
Alkyl C-H hyder 0.9
“assigned to -CH stretching vibrational modes”
Ahmad 等 - 2020 - Production and characterization of starch nanopart DOI: 10.1038/s41598-020-60380-0 -
Alkyl C-H hyder 0.9
“Explicitly assigned.”
Barbosa 等 - 2021 - Aloe Vera extract-based composite nanofibers for w DOI: 10.1016/j.msec.2021.112061 -
hyder 0.9
“Text: 'symmetric stretchings of the CH moieties at 2923'”
Bergami 等 - 2020 - Plastics everywhere first evidence of polystyrene DOI: 10.1098/rsbl.2020.0093 -
hyder 0.9
“Peak area at 2923 cm-1 correlated to LMA content.”
Casas-Soto 等 - 2022 - Dibutyl Itaconate and Lauryl Methacrylate Copolyme DOI: 10.3390/polym14030632
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