What absorbs at 2853 cm⁻¹ in an FTIR spectrum?
A band near 2853 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 | 26 | 23 | 1,0 |
| Methyl | 2 | 2 | 1,0 |
| Ester | 1 | 1 | 0,9 |
| C-O single bond | 1 | 1 | 0,7 |
| 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
-
Methyl tillid 1,0
“Explicit assignment: 'methyl and methylene groups ... peaks at ... 2853'”
Li 等 - 2020 - Preparation and Properties of Self-Healing Polyure DOI: 10.1021/acsomega.9b03082 -
Alkyl C-H tillid 1,0
“Text: 'attributed to C-H (alkane) stretching bonds'.”
Wypij 等 - 2022 - Novel Antibacterial, Cytotoxic and Catalytic Activ DOI: 10.4014/jmb.2205.05006 -
Alkyl C-H tillid 0,95
“Explicit assignment: same sentence as above”
Cebi - 2021 - Quantification of the Geranium Essential Oil, Palm DOI: 10.3390/foods10081848 -
Alkyl C-H tillid 0,95
“Explicit assignment: 'symmetrical stretch 2853 CH2'.”
Nespeca 等 - 2018 - Rapid and Simultaneous Prediction of Eight Diesel DOI: 10.1155/2018/1795624 -
Alkyl C-H tillid 0,95
“Explicit assignment in text.”
Suys 等 - 2022 - ATR-FTIR Biosensors for Antibody Detection and Ana DOI: 10.3390/ijms231911895 -
Alkyl C-H tillid 0,9
“Corresponds to methylene groups.”
Calabro 等 - 2013 - 50 Hz Electromagnetic Field Produced Changes in FT DOI: 10.1155/2013/414393 -
Alkyl C-H tillid 0,9
“C-H stretching of ester”
Adewuyi 等 - 2011 - Solvent free hydroxylation of the methyl esters of DOI: 10.1186/1752-153X-5-79 -
tillid 0,9
“Explicit assignment.”
Afqir 等 - 2018 - Structural, electric and dielectric properties of DOI: 10.2298/PAC1801072A
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