What absorbs at 2853 cm⁻¹ in an FTIR spectrum?
A band near 2853 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
可能性のある官能基アサイン
| 官能基 | 裏付け事実 | 引用元 | 最高信頼度 |
|---|---|---|---|
| Alkyl C-H | 26 | 23 | 1.0 |
| Methyl | 2 | 2 | 1.0 |
| Ester | 1 | 1 | 0.9 |
| C-O single bond | 1 | 1 | 0.7 |
| Carbonyl (C=O) | 1 | 1 | 0.7 |
ランキングは蓄積された文献証拠を反映しており、単一の権威あるルールではありません。常にサンプルのコンテキストと照合して確認してください。
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: 'methyl and methylene groups ... peaks at ... 2853'”
Li 等 - 2020 - Preparation and Properties of Self-Healing Polyure DOI: 10.1021/acsomega.9b03082 -
Alkyl C-H 信頼度 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 -
Alkyl C-H 信頼度 0.95
“Explicit assignment: same sentence as above”
Cebi - 2021 - Quantification of the Geranium Essential Oil, Palm DOI: 10.3390/foods10081848 -
Alkyl C-H 信頼度 0.95
“Explicit assignment: 'symmetrical stretch 2853 CH2'.”
Nespeca 等 - 2018 - Rapid and Simultaneous Prediction of Eight Diesel DOI: 10.1155/2018/1795624 -
Alkyl C-H 信頼度 0.95
“Explicit assignment in text.”
Suys 等 - 2022 - ATR-FTIR Biosensors for Antibody Detection and Ana DOI: 10.3390/ijms231911895 -
Alkyl C-H 信頼度 0.9
“Corresponds to methylene groups.”
Calabro 等 - 2013 - 50 Hz Electromagnetic Field Produced Changes in FT DOI: 10.1155/2013/414393 -
Alkyl C-H 信頼度 0.9
“C-H stretching of ester”
Adewuyi 等 - 2011 - Solvent free hydroxylation of the methyl esters of DOI: 10.1186/1752-153X-5-79 -
信頼度 0.9
“Explicit assignment.”
Afqir 等 - 2018 - Structural, electric and dielectric properties of DOI: 10.2298/PAC1801072A
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