What absorbs at 2881 cm⁻¹ in an FTIR spectrum?
A band near 2881 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 5 cited sources
Mulige funksjonelle gruppe-tilordninger
| Funksjonell gruppe | Støttende fakta | Siterte kilder | Toppkonfidens |
|---|---|---|---|
| Alkyl C-H | 4 | 4 | 0.9 |
| Hydroxyl (O-H) | 1 | 1 | 0.9 |
| Carboxyl (COOH) | 1 | 1 | 0.8 |
Rangeringen gjenspeiler akkumulert litteraturbevis, ikke en enkelt autoritativ regel. Bekreft alltid mot prøvekonteksten din.
Litteratur bak disse tilordningene
-
Alkyl C-H konfidens 0.9
“Explicitly assigned.”
Chaiwarit 等 - 2022 - Fabrication and Evaluation of Water Hyacinth Cellu DOI: 10.3390/gels8120767 -
Hydroxyl (O-H) konfidens 0.9
“Assigned to O-H groups of bamboo surface and deposited ZnO.”
Jin 等 - 2014 - Cross-Linked ZnO Nanowalls Immobilized onto Bamboo DOI: 10.1155/2014/687350 -
Alkyl C-H konfidens 0.9
“stretching vibrations due to CH groups”
Katherine 等 - 2017 - Xanthan gum production using jackfruit-seed-powder DOI: 10.1007/s13205-017-0876-5 -
Alkyl C-H konfidens 0.8
“Stretching of CH and stretching of C-COO”
Gupta 等 - 2018 - Effects of Amphiphilic Chitosan on Stereocomplexat DOI: 10.1038/s41598-018-22281-1 -
Alkyl C-H konfidens 0.8
“Weak band observed at 2880.79 cm-1 assigned to H-C-H symmetric stretching of alkanes.”
Rashid 等 - 2016 - Anthelmintic activity of silver-extract nanopartic DOI: 10.1186/s12906-016-1219-5
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