What absorbs at 1288 cm⁻¹ in an FTIR spectrum?
A band near 1288 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 7 cited sources
Mulige funktionelle gruppetildelinger
| Funktionel gruppe | Understøttende fakta | Citerede kilder | Højeste tillid |
|---|---|---|---|
| C-O single bond | 2 | 2 | 0,9 |
| Ester | 1 | 1 | 1,0 |
| Hydroxyl (O-H) | 1 | 1 | 0,9 |
| Carbonyl (C=O) | 1 | 1 | 0,9 |
| C n single bond | 1 | 1 | 0,9 |
Rangering afspejler akkumulerede litteraturbeviser, ikke en enkelt autoritativ regel. Bekræft altid mod din prøvekontekst.
Litteratur bag disse tildelinger
-
Ester tillid 1,0
“IR spectrum in KBr showed absorption bands at cm-1 1729, 1288, 1124 due to the presence of ester group.”
Sisay 等 - 2021 - PHYTOCHEMICAL STUDIES OF MELILOTUS OFFICINALIS DOI: 10.4314/bcse.v35i1.12 -
C-O single bond tillid 0,9
“Functional group as C-O”
Wardani 等 - 2020 - Analysis of ChargingDischarging Supercapacitor Ac DOI: 10.1088/1742-6596/1491/1/012044 -
C n single bond tillid 0,9
“Band at 1288 cm-1 corresponds to C-N stretching.”
Guo 等 - 2012 - Preparation of a Novel Nanocomposite of Polyanilin DOI: 10.1155/2012/202794 -
Carbonyl (C=O) tillid 0,9
“C=O stretching vibration”
Ma 等 - 2020 - Preparation and Characterization of Ethylenediamin DOI: 10.3390/ma13020326 -
C-O single bond tillid 0,9
“Band of vibrations of C-O-H”
Shabatina 等 - 2018 - Cryochemically Obtained Nanoforms of Antimicrobial DOI: 10.3390/cryst8070298 -
Hydroxyl (O-H) tillid 0,9
“Text: 'stretching and bending OH at ... 1288'”
Spepi 等 - 2016 - Experimental and DFT Characterization of Halloysit DOI: 10.1517/17425247.2016.1169271. -
tillid 0,8
“Explicit assignment: 'appearance of significant peak at 1288 for PANIDSC material' and context of D and G bands.”
Tripathy 等 - 2021 - Efficient removal of Cr(VI) by polyaniline modifie DOI: 10.1016/j.gsd.2021.100653
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