What absorbs at 2964 cm⁻¹ in an FTIR spectrum?
A band near 2964 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
可能的官能团归属
排名反映了累积的文献证据，而非单一的权威规则。请始终对照您的样品背景进行确认。
这些分配背后的文献
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Alkyl C-H 置信度 1.0
“Text: 'attributed to C-H (alkane) stretching bonds'.”
Wypij 等 - 2022 - Novel Antibacterial, Cytotoxic and Catalytic Activ DOI: 10.4014/jmb.2205.05006 -
置信度 0.9
“Explicit assignment: '2900 and 2964 due to N-H stretches'”
Akram 等 - 2022 - How to Improve Solubility and Dissolution of Irbes DOI: 10.3390/pharmaceutics14112264 -
Alkyl C-H 置信度 0.9
“Range 2964-2878 assigned to C-H.”
Chen 等 - 2022 - Tunable Thermo-Responsive Properties of Hydroxybut DOI: 10.3389/fchem.2022.830516 -
Alkyl C-H 置信度 0.9
“explicit assignment”
Harwijayanti 等 - 2022 - Physicochemical Characterization and Antibacterial DOI: 10.3390/coatings12050680 -
Alkyl C-H 置信度 0.9
“C-H stretch at 2964 cm-1”
Meka 等 - 2012 - Characterization and In Vitro Drug Release Studies DOI: 10.1208/s12249-012-9873-5 -
Alkyl C-H 置信度 0.9
“Explicit assignment: CH2, CH3 from lipid groups.”
Thepbandit 等 - 2021 - Identification of Salicylic Acid Mechanism against DOI: 10.3390/pathogens10060652 -
Alkyl C-H 置信度 0.9
“Peak at 2964 cm-1 corresponds to C-H antisymmetric stretching vibration.”
Wang 等 - 2019 - Geographical Authentication of Macrohyporia cocos DOI: 10.3390/molecules24071320 -
Methyl 置信度 0.8
“CH3 asymmetric stretching.”
Dahham 等 - 2018 - The Influences of Zirconium Dioxide on ENR-25ZrO2 DOI: 10.1088/1742-6596/1019/1/012055
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