What absorbs at 2849 cm⁻¹ in an FTIR spectrum?
A band near 2849 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
Mulige funktionelle gruppetildelinger
| Funktionel gruppe | Understøttende fakta | Citerede kilder | Højeste tillid |
|---|---|---|---|
| Alkyl C-H | 17 | 13 | 1,0 |
| Aldehyde (CHO) | 1 | 1 | 0,95 |
| Methyl | 1 | 1 | 0,9 |
| Aromatic ring | 1 | 1 | 0,9 |
| Carbonyl (C=O) | 1 | 1 | 0,7 |
Rangering afspejler akkumulerede litteraturbeviser, ikke en enkelt autoritativ regel. Bekræft altid mod din prøvekontekst.
Litteratur bag disse tildelinger
-
Alkyl C-H tillid 1,0
“Explicitly assigned to C-H stretching.”
Ghaforinejad 等 - 2021 - Molecular separation of ions from aqueous solution DOI: 10.1038/s41598-021-89371-5 -
Alkyl C-H tillid 1,0
“Corresponded to C-H stretches of -CH and -CH2 units.”
Luo 等 - 2019 - A Mechanism for the Adsorption of 2-(Hexadecanoyla DOI: 10.3390/min9010015 -
Alkyl C-H tillid 0,95
“Explicit assignment in text: 'at 2849 is assigned to s(CH2)'”
Aamouche 和 Goormaghtigh - 2008 - FTIR-ATR biosensor based on self-assembled phospho DOI: 10.3233/SPE-2008-0351 -
Aldehyde (CHO) tillid 0,95
“Explicit assignment: '2,849.2 for aldehydes (H-C = O: C-H stretch)'.”
Al-Baldawi 等 - 2020 - Role of Salvinia molesta in biodecolorization of m DOI: 10.1038/s41598-020-70740-5 -
Alkyl C-H tillid 0,95
“Text: 'C-H stretch typical of alkane compounds at 2849.18'”
Tavares 等 - 2016 - Conductive Paper with Antibody-Like Film for Elect DOI: 10.1038/srep26132 -
tillid 0,9
“explicit assignment in text”
Al-Emam 等 - 2021 - Removal of a Past Varnish Treatment from a 19th-Ce DOI: 10.3390/polym13162651 -
Alkyl C-H tillid 0,9
“Same as above.”
Faiza 等 - 2023 - Improved PVCZnO Nanocomposite Insulation for High DOI: 10.1038/s41598-023-31473-3 -
Alkyl C-H tillid 0,9
“Text: 'cm-1 at 2849 The peak ... is due to the C-H group'”
Gurmen Ozcelik - 2017 - Preparation, Characterization and Thermal Properti DOI: 10.5755/j01.ms.23.1.13661
Har du et spektrum med dette bånd?
Upload dit FTIR-spektrum og få en fuld tolkningsrapport — peak-tildelinger med litteraturhenvisninger, biblioteksmatch og en tillidsvurderet beviskæde — på få sekunder.
Fortolk mit spektrum