What absorbs at 1256 cm⁻¹ in an FTIR spectrum?
A band near 1256 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 6 cited sources
Mulige funksjonelle gruppe-tilordninger
| Funksjonell gruppe | Støttende fakta | Siterte kilder | Toppkonfidens |
|---|---|---|---|
| C-O single bond | 2 | 1 | 0.9 |
| Silicon carbon | 1 | 1 | 0.9 |
| Alkyl C-H | 1 | 1 | 0.9 |
| C n single bond | 1 | 1 | 0.9 |
Rangeringen gjenspeiler akkumulert litteraturbevis, ikke en enkelt autoritativ regel. Bekreft alltid mot prøvekonteksten din.
Litteratur bak disse tilordningene
-
C n single bond konfidens 0.9
“C-N stretching”
Arbab Solimani 等 - 2023 - Carboxymethyl Chitosan-Functionalized Polyaniline DOI: 10.1007/s12010-023-04526-6 -
C-O single bond konfidens 0.9
“Attributed to C-O-C stretches (ether linkage).”
Ashraf 等 - 2018 - Synthesis of polyimides from alpha,alpha '-bis(3-a DOI: 10.1016/j.molstruc.2018.01.098 -
Alkyl C-H konfidens 0.9
“Text: 'around 1256 CH2 asymmetric stretching'”
Safari 等 - 2020 - Effect of Nanoconfinement on the Isodimorphic Crys DOI: 10.1016/j.nantod.2008.10.014. -
Silicon carbon konfidens 0.9
“Text: 'absorption band at 1256 is attributed to the vibration mode of -Si-C'”
Tavares 等 - 2014 - TiO2PDMS nanocomposites for use on self-cleaning DOI: 10.1016/j.surfcoat.2013.11.009 -
konfidens 0.9
“Explicit assignment: 'S units at 1256 cm-1'.”
Yoo 等 - 2016 - Understanding the Physicochemical Characteristics DOI: 10.1007/s12155-015-9662-6 -
konfidens 0.8
“Text: 'bands at 1313 cm-1 and 1256 cm-1 can be explained by an exopolymer'”
Garip 等 - 2009 - Use of Fourier transform infrared spectroscopy for DOI: 10.1016/j.foodchem.2008.08.063
Har du et spektrum med denne bånden?
Last opp FTIR-spektrumet ditt og få en full tolkningsrapport — topptilordninger med litteraturhenvisninger, bibliotekssøk og en konfidensvurdert beviskjede — på sekunder.
Tolk spektrumet mitt