What absorbs at 2970 cm⁻¹ in an FTIR spectrum?
A band near 2970 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
가능한 작용기 할당
| 작용기 | 지원 사실 | 인용 출처 | 최고 신뢰도 |
|---|---|---|---|
| Alkyl C-H | 4 | 2 | 0.9 |
| Methyl | 1 | 1 | 0.9 |
| Aromatic ring | 1 | 1 | 0.9 |
| Hydroxyl (O-H) | 1 | 1 | 0.8 |
순위는 단일 권위 규칙이 아닌 축적된 문헌 증거를 반영합니다. 항상 샘플 상황에 대해 확인하세요.
이 할당의 배경이 되는 문헌
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Aromatic ring 신뢰도 0.9
“Peak at 2970 cm-1 assigned to aromatic rings.”
Szymanska 等 - 2016 - Preparation and characterization of reactive liqui DOI: 10.1515/polyeng-2014-0393 -
Alkyl C-H 신뢰도 0.9
“Explicitly stated: 'C H stretching, 2970 cm-1'”
Alam 等 - 2023 - Assessment of quality of commercial hand sanitizer DOI: 10.1016/j.mex.2023.102274 -
Methyl 신뢰도 0.9
“Explicit assignment: same sentence as above.”
Alcaraz-Zapata 等 - 2019 - DOI: 10.15446/dyna.v86n208.72019 -
Alkyl C-H 신뢰도 0.9
“Text mentions 'band at 2970 cm-1 is associated with C-H aliphatic'.”
Giraldo 等 - 2022 - Development of a Novel Green Bio-Nanofluid from Sa DOI: 10.3390/pr10061057 -
신뢰도 0.9
“Explicit assignment: '2970 cm-1 (benzene ring, CH)'”
Korolkov 等 - 2021 - Preparation of Hydrophobic PET Track-Etched Membra DOI: 10.3390/membranes11080637 -
신뢰도 0.9
“Text: 'bands at 2970 were assigned to C sp3-H str'”
Zhang 等 - 2022 - Facile Synthesis of Microporous Ferrocenyl Polymer DOI: 10.3390/polym14091900 -
신뢰도 0.8
“Described as steep peak for functional groups.”
Banerjee 等 - 2014 - Thin film encapsulation of nano composites of poly DOI: 10.1039/c4ra10183a -
신뢰도 0.8
“Saturated C-H groups on PVC chains appeared at 2970-2800 cm-1.”
Abdel-Baset 等 - 2016 - Characterization and Optical and Dielectric Proper DOI: 10.1155/2016/1707018
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