What absorbs at 2852 cm⁻¹ in an FTIR spectrum?
A band near 2852 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
| 官能团 | 支持性事实 | 引用来源 | 最高置信度 |
|---|---|---|---|
| Alkyl C-H | 24 | 22 | 1.0 |
| Methyl | 5 | 5 | 1.0 |
| Lipid | 2 | 2 | 0.9 |
| Alkene (C=C) | 1 | 1 | 0.9 |
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
-
Alkyl C-H 置信度 1.0
“Explicit assignment: '2852-2855 cm-1' as CH stretching”
Shi 等 - 2018 - Biochemical alterations of Candida albicans during DOI: 10.1039/c8an01452c -
Alkyl C-H 置信度 1.0
“Characteristic peak of methylene stretching vibration.”
Chi 等 - 2016 - A TG-FTIR INVESTIGATION AND KINETIC ANALYSIS OF OI DOI: 10.3176/oil.2016.3.03 -
Methyl 置信度 1.0
“-CH3 and -CH2 stretching bands in oleic acid”
Kim 等 - 2020 - Laboratory Testing of Scheelite Flotation from Raw DOI: 10.3390/min10110971 -
Methyl 置信度 1.0
“Stretching bands of -CH3 and -CH2 groups on sericite surfaces.”
Qiu 等 - 2016 - An Investigation of Reverse Flotation Separation o DOI: 10.3390/min6030057 -
Alkyl C-H 置信度 0.95
“Explicit assignment in text”
Ashby 等 - 2013 - The effect of alkyl chain length on the level of c DOI: 10.1007/s11051-013-1425-8 -
Alkyl C-H 置信度 0.95
“Explicit assignment: 'two strong bands at around 2915 and 2852 due to the -CH asymmetric and symmetric'”
Puliga 等 - 2023 - Cladosporium cladosporioides (strain Clc1) a can DOI: 10.1186/s40538-023-00419-2 -
Alkyl C-H 置信度 0.9
“Explicit assignment in text”
Chieng 等 - 2017 - Isolation and Characterization of Cellulose Nanocr DOI: 10.3390/polym9080355 -
Alkyl C-H 置信度 0.9
“Characteristic absorption of -CH or -CH2.”
Kim 等 - 2015 - Controlled growth of CdSe quantum dots on silica s DOI: 10.1117/12.2187697
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