What absorbs at 2975 cm⁻¹ in an FTIR spectrum?
A band near 2975 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 5 cited sources
Mga posibleng pagtatalaga ng functional-group
| Functional group | Mga sumusuportang katotohanan | Mga nasiping sanggunian | Pinakamataas na kumpiyansa |
|---|---|---|---|
| Alkyl C-H | 2 | 2 | 0.9 |
| Aromatic ring | 1 | 1 | 0.9 |
| N h | 1 | 1 | 0.8 |
| Methyl | 1 | 0 | 0.9 |
Ang pagraranggo ay sumasalamin sa naipon na ebidensya ng literatura, hindi isang solong awtoritatibong tuntunin. Palaging kumpirmahin laban sa konteksto ng iyong sample.
Literatura sa likod ng mga pagtatalagang ito
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kumpiyansa 0.9
“Text: 'stretching vibrations appear at 2975 and 2913 cm-1'”
Aliyev 等 - 2020 - SI-ATRP Polymer-Functionalized Graphene Oxide for DOI: 10.1002/admi.202000443. -
Alkyl C-H kumpiyansa 0.9
“explicit assignment”
Andrade-Guel 等 - 2020 - Synthesis of Nylon 6Modified Carbon Black Nanocom DOI: 10.3390/ma13225173 -
Aromatic ring kumpiyansa 0.9
“Text: '2975 (Aromatic C-H stretch)'”
Drais 和 Hussein - 2022 - Lipid-Polymer Hybrid Nanocarriers for Oral Deliver DOI: 10.34172/apb.2022.081 -
Alkyl C-H kumpiyansa 0.9
“Explicit assignment in text: '2975cm-1 2850 and are ascribed to the C-H stretching'”
Weththimuni 等 - 2019 - Improving Wood Resistance to Decay by Nanostructur DOI: 10.1155/2019/6715756 -
N h kumpiyansa 0.8
“Text: 'peak between 2930 and 2975 attributed to N-H group'”
Sperandio 等 - 2010 - Use of Functionalized Nanosilica to Improve Thermo DOI: 10.1166/jnn.2010.1458
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