What absorbs at 2882 cm⁻¹ in an FTIR spectrum?
A band near 2882 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
Possible functional-group assignments
Ranking reflects accumulated literature evidence, not a single authoritative rule. Always confirm against your sample context.
Literature behind these assignments
-
Alkyl C-H confidence 0.9
“Text: 'peaks at 2882 cm-1 and 2856 cm-1, also contained an alkanes group'”
Ul Hassan 等 - 2022 - Tribological Analysis of Molybdenum Disulfide (MOS DOI: 10.3390/su141710485 -
Alkyl C-H confidence 0.9
“Explicit assignment in text”
Lewis 等 - 2022 - Characterization of Sea Surface Microlayer and Mar DOI: 10.1021/acsearthspacechem.2c00119 -
Alkyl C-H confidence 0.9
“Explicit assignment: 'C-H stretching peaks at 2882'”
Musa 等 - 2017 - Development and evaluation of exemestane-loaded ly DOI: 10.15171/bi.2017.27 -
Alkyl C-H confidence 0.9
“Explicit assignment: 'CH stretching mode'.”
Nguyen 等 - 2015 - Understanding the Mechanism of Action of Triazine- DOI: 10.3390/molecules200611236 -
confidence 0.8
“Text: 'band from 2882 corresponds to the vibration of the C-H functional'.”
Prodan 等 - 2021 - Synthesis and Characterization of Some Graphene Ox DOI: 10.3390/app112311330 -
N h confidence 0.7
“Associated with N-H stretch.”
Anjum 等 - 2023 - Photocatalytic degradation of reactive violet 1 by DOI: 10.30955/gnj.004281
Have a spectrum with this band?
Upload your FTIR spectrum and get a full interpretation report — peak assignments with literature citations, library matches, and a confidence-rated evidence chain — in seconds.
Interpret my spectrum