What absorbs at 2952 cm⁻¹ in an FTIR spectrum?
A band near 2952 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 6 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 | 5 | 5 | 1.0 |
| Silicon (Si) | 1 | 1 | 1.0 |
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
“The PP showed reference peaks displayed at 972, 997, and 1165 cm-1 (-CH3 oscillating 3 -1 -1 oscillating vibrations), 1375 cm (-CH symmetric bending vibrations), 2952 cm (-CH”
Campanale 等 - 2023 - Fourier Transform Infrared Spectroscopy to Assess DOI: 10.3390/polym15040911 -
Silicon (Si) 置信度 1.0
“accepted 13 November 2012 cm-1 Abstract: A new strategy to improve silicon-based endodontic corresponding to the stretching (peaks at 2952 and 2923 CAH treatment tightness by dentine hydrophobization is presented of bonds) and by the increa”
Root canal hydrophobization by dentinal silanization: Improvement of siliconbased endodontic treatment tightness DOI: 10.1002/jbm.b.32874 -
Alkyl C-H 置信度 1.0
“The C-H stretching band shifted to a higher wavenumber at 2952 cm-1, indicating changes in the β-1,4-glycosidic linkage torsion angle [48].”
Impact of NaOH Concentration on Deweaving of Cotton Fabric in Aqueous Solutions DOI: 10.3390/su13042015 -
Alkyl C-H 置信度 1.0
“cm-1 at 1735 corresponds to the bond stretching vibrations of the carboxyl groups (C=O) and a set of bands at 2952 to cm-1 2852 is associated with the stretching vibrations of the bond between the aliphatic carbon and hydrogen (C-H).”
Cesconeto 等 - 2017 - Evaluation of a Thermochromic Liquid Crystal for U DOI: 10.1590/1980-5373-MR-2016-0717 -
Alkyl C-H 置信度 1.0
“Strong band at 2952 to aldehydic C-H stretching (Sharma et al.”
Characterization, cytotoxicity, and genotoxicity properties of novel biomediated nanosized-silver by Egyptian Streptomyces roseolus for safe antimicrobial applications DOI: 10.1007/s11274-022-03231-6 -
Alkyl C-H 置信度 1.0
“-CH 3-C-H asymmetric stretching vibration absorption peak was at 2952 The stretch-”
Fabrication and Performance of Phase Change Thermoregulated Fiber from Bicomponent Melt Spinning DOI: 10.3390/polym14091895
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