What absorbs at 2977 cm⁻¹ in an FTIR spectrum?
A band near 2977 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
Iespējamie funkcionālo grupu piešķīrumi
| Funkcionālā grupa | Atbalstošie fakti | Citētie avoti | Augstākā pārliecība |
|---|---|---|---|
| Alkyl C-H | 10 | 10 | 1,0 |
| Ring structure | 1 | 1 | 1,0 |
| Carbohydrate | 1 | 1 | 1,0 |
Rangs atspoguļo uzkrātos literatūras pierādījumus, nevis vienu autoritatīvu noteikumu. Vienmēr apstipriniet atbilstoši parauga kontekstam.
Literatūra aiz šiem piešķīrumiem
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Alkyl C-H pārliecība 1,0
“cm-1 The peaks that appear at 2977 and 2898 were 3.3 FTIR-ATR spectroscopy characterization associated with the stretching of the C-H bond.”
Mondragon-Cortez 等 - 2022 - Application of Fourier transform infrared spectros DOI: 10.24275/rmiq/Alim2806 -
Alkyl C-H pārliecība 1,0
“These waveband peak results 2977 is attributed to the C-H vibrations of the may indicate a reduction in sugar, which would and -CH moiety vibrations in alkyl group and -CH 2”
Use of thermal imaging and Fourier transform infrared spectroscopy for the pre-symptomatic detection of cucumber downy mildew DOI: 10.1007/s10658-019-01775-2 -
Alkyl C-H pārliecība 1,0
“LLM confirmed rule peak-group candidate”
Ajibade 和 Mbese - 2014 - Synthesis and Characterization of Metal Sulfides N DOI: 10.1155/2014/752394 -
Alkyl C-H pārliecība 1,0
“Bond (vibration) Degradation product 2977 C-H (asymmetric stretching) C xH y”
Hejna 等 - 2017 - Performance properties of rigid polyurethane-polyi DOI: 10.1515/epoly-2017-0012 -
Alkyl C-H pārliecība 1,0
“at 2977 and 2924 cm-1 due to stretching vibration of C-H (the bands at 2994, 2977, 2924, 2904 and 2890 would be due to”
Oliveira 等 - 2016 - FTIR analysis and quantification of phenols and fl DOI: 10.1590/S1517-707620160003.0072 -
Alkyl C-H pārliecība 1,0
“peaks at 2977 and 2931 were cm-1 assigned to C-H stretching vibration within the ring;”
In Vitro Interaction of Doxorubicin-Loaded Silk Sericin Nanocarriers with MCF-7 Breast Cancer Cells Leads to DNA Damage DOI: 10.3390/polym13132047 -
Alkyl C-H pārliecība 1,0
“The absorptions at 2977 and 2929, cm-1 2900 are allocated to symmetric and anti-symmetric vibration of CH in the alkyl chain in EO, tween 20, 2”
Nanoliposomes containing three essential oils from the Artemisia genus as effective larvicides against Aedes aegypti and Anopheles stephensi DOI: 10.1038/s41598-023-38284-6 -
Alkyl C-H pārliecība 1,0
“1026 C-O stretching 2977 C-H stretching 2875 C-H stretching”
Zhuang 等 - 2020 - Observation of Potential Contaminants in Processed DOI: 10.3390/app10124345
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