What absorbs at 2891 cm⁻¹ in an FTIR spectrum?
A band near 2891 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
可能的官能基指派
排名反映累積的文獻證據，而非單一權威規則。請務必根據您的樣品背景進行確認。
這些指派背後的文獻
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Alkyl C-H 信心 0.9
“Text states 'bands at 2928 and 2891 ... νCH'.”
Palumbo 等 - 2022 - Rapid and Non-Destructive Techniques for the Discr DOI: 10.3390/foods11111534 -
Alkyl C-H 信心 0.9
“Explicit assignment.”
Rumengan 等 - 2017 - Characterization of chitin extracted from fish sca DOI: 10.1088/1755-1315/89/1/012028 -
Alkyl C-H 信心 0.9
“explicit assignment in text”
Sangian 等 - 2018 - The structural modification of cassava starch usin DOI: 10.1590/1678-457X.18517 -
信心 0.8
“Same assignment as 2904.”
Toledano-Thompson 等 - 2005 - Characterization of henequen cellulose microfibers DOI: 10.1016/j.carbpol.2005.06.024 -
Methyl 信心 0.8
“Text: '2891 cm-1 due to ... CH3'”
Lai 等 - 2021 - On the Use of OPEFB-Derived Microcrystalline Cellu DOI: 10.3390/polym13060897 -
Alkyl C-H 信心 0.7
“Corresponds to -CH2 symmetric stretch”
Mishra 等 - 2015 - Studies on salophen anchored micromeso porous act DOI: 10.1039/c5ra03168k -
N h 信心 0.7
“Snippet: 'The peaks at 2891 indicated' (amine group context)”
Singh 等 - 2020 - Cytotoxic and apoptotic inducing activity of Amoor DOI: 10.1016/j.jaim.2018.12.005 -
Alkyl C-H 信心 0.6
“Text: 'cm-1 cm-1, and 2891 indicating the tion band at 2964 cm-1, 3, CH aliphatic group.'”
De Souza 等 - 2018 - Purification and characterisation of a sulphur ric DOI: 10.1080/21501203.2018.1494060
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