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
Возможные назначения функциональных групп
| Функциональная группа | Подтверждающие факты | Цитируемые источники | Максимальная достоверность |
|---|---|---|---|
| Alkyl C-H | 5 | 5 | 1,0 |
| Silicon (Si) | 1 | 1 | 1,0 |
Ранжирование отражает накопленные литературные данные, а не единственное авторитетное правило. Всегда проверяйте в контексте вашего образца.
Литература, лежащая в основе этих назначений
-
Alkyl C-H достоверность 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) достоверность 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 достоверность 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 достоверность 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 достоверность 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 достоверность 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
Есть спектр с этой полосой?
Загрузите свой FTIR-спектр и получите полный отчет об интерпретации — назначение пиков с цитированием литературы, совпадения с библиотекой и цепочку доказательств с оценкой достоверности — за секунды.
Интерпретировать мой спектр