What absorbs at 2961 cm⁻¹ in an FTIR spectrum?
A band near 2961 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
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これらのアサインの根拠となる文献
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Methyl 信頼度 1.0
“Explicit assignment in text”
Ye 等 - 2016 - The impact of the HbA1c level of type 2 diabetics DOI: 10.1038/srep33352 -
Alkyl C-H 信頼度 0.9
“Explicit: 'Cya produced a peak at 2961 due to stretching vibration of the alkyl group.'”
Ogata 等 - 2020 - Improvement of stability due to a cyclamen aldehyd DOI: 10.1016/j.molstruc.2020.128161 -
Methyl 信頼度 0.9
“Explicit assignment in text”
JEONG 等 - 2013 - Preparation of Shape Stabilized PCM Using Porous M DOI: 10.6110/KJACR.2013.25.8.432 -
Lipid 信頼度 0.9
“Explicitly assigned to lipid region.”
Ramalingam 等 - 2014 - Evaluation of metformin hydrochloride in Wistar ra DOI: 10.4103/0976-9668.136168 -
Alkyl C-H 信頼度 0.9
“Explicit assignment: 'C-H stretchings'.”
Strauss 等 - 2014 - [M]-CAL-2 MeAPSO-34-like molecular sieves using a DOI: 10.1016/j.micromeso.2013.12.020 -
Methyl 信頼度 0.9
“explicit assignment”
Tao 等 - 2020 - Salumycin, a New Pyrazolequinone from aStreptomyce DOI: 10.3390/molecules25184098 -
Alkyl C-H 信頼度 0.6
“Band at 2961 cm-1 in C-H stretching region (3100-2800 cm-1).”
Rasko 和 Kiss - 2006 - Interaction of acetonitrile with oxygen on TiO2-su DOI: 10.1007/s10562-006-0059-1 -
Methyl 信頼度 0.5
“Text: 'vibrations at 2961 2875 and 1470' but group not explicitly assigned; inferred from typical IR.”
Hu 等 - 2022 - Flotation Performance and Adsorption Mechanism of DOI: 10.3390/min12040441
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