What absorbs at 3073 cm⁻¹ in an FTIR spectrum?
A band near 3073 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 4 cited sources
Mulige funktionelle gruppetildelinger
| Funktionel gruppe | Understøttende fakta | Citerede kilder | Højeste tillid |
|---|---|---|---|
| Alkyl C-H | 3 | 3 | 1,0 |
| Aromatic ring | 3 | 2 | 1,0 |
| Hydroxyl (O-H) | 1 | 1 | 0,9 |
Rangering afspejler akkumulerede litteraturbeviser, ikke en enkelt autoritativ regel. Bekræft altid mod din prøvekontekst.
Litteratur bag disse tildelinger
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Aromatic ring tillid 1,0
“The Attenuated Total Reflectance Fourier-Transform Infrared (ATR-FTIR) features with intense vibration peaks at 3073 cm-1 that can be attributed to the aromatic Spectroscopy Analysis CH-vibration of a typical pure UF-PES membrane.”
Influence of the Zeolite ZSM-22 Precursor on a UF-PES Selective Substrate Layer for Salts Rejection DOI: 10.3390/membranes12060553 -
Aromatic ring tillid 1,0
“Firstly, cm-1 an intense Raman band at 3073 assigned to the aromatic C-H stretching vibrations”
Vibrational Study (Raman, SERS, and IR) of Plant Gallnut Polyphenols Related to the Fabrication of Iron Gall Inks DOI: 10.3390/molecules27010279 -
Alkyl C-H tillid 1,0
“The FTIR spectrum demonstrated multiple essential peaks, including absorptions cm1, cm1, sp2 cm1, sp3 of free O-H at 3398 to 3478 -OH···O at 2600 to 3100 C-H stretch at 3073 C-H”
Vanessa 等 - 2022 - Synthesis of 1-hydroxy-3-O-substituted xanthone de DOI: 10.21203/rs.3.rs-763326/v1 -
Hydroxyl (O-H) tillid 0,9
“Part of the same band as above.”
Bolla 等 - 2020 - Lutein-Loaded, Biotin-Decorated Polymeric Nanopart DOI: 10.3390/pharmaceutics12090798
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