What absorbs at 2873 cm⁻¹ in an FTIR spectrum?
A band near 2873 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 7 cited sources
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Alkyl C-H 신뢰도 1.0
“Explicit assignment in text.”
Mansour 等 - 2017 - Elucidation of penetration enhancement mechanism o DOI: 10.1016/j.saa.2017.05.026 -
신뢰도 0.9
“Explicitly assigned as stretching vibration absorption peak of saturated C-H.”
Hu 等 - 2020 - Terpolymer resin containing bioinspired borneol an DOI: 10.1038/s41598-020-67073-8 -
Alkyl C-H 신뢰도 0.9
“Explicitly listed as peak and group C-H in text.”
Lertsarawut 等 - 2021 - Starch-Based Super Water Absorbent A Promising an DOI: 10.3390/polym13081314 -
Alkyl C-H 신뢰도 0.9
“Peak at 2873 cm-1 corresponds to C-H symmetrical stretching vibration.”
Wang 等 - 2019 - Geographical Authentication of Macrohyporia cocos DOI: 10.3390/molecules24071320 -
신뢰도 0.9
“Text: 'in -CH2- (sym 2873 and asym 2931 the stretching vibrations)'”
Worzakowska - 2016 - Thermal behavior, decomposition mechanism and some DOI: 10.1007/s10973-016-5603-7 -
Methyl 신뢰도 0.7
“Mentioned as band ratio but group inferred from context.”
Blat 等 - 2021 - Spectroscopic Signature of Red Blood Cells in a D- DOI: 10.3390/ijms22052660 -
Alkyl C-H 신뢰도 0.7
“Mentioned as reference peak for ratio.”
Drozdz 等 - 2022 - Effect of Antibiotic Amphotericin B Combinations w DOI: 10.3390/ijms232315260
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