What absorbs at 1171 cm⁻¹ in an FTIR spectrum?
A band near 1171 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
Mögulegar úthlutun virkra hópa
| Virkur hópur | Stuðningsstaðreyndir | Tilvitnuð heimildir | Mesta öryggi |
|---|---|---|---|
| C n single bond | 2 | 1 | 1,0 |
| S eq o | 1 | 1 | 0,95 |
| Sulfonyl | 1 | 1 | 0,9 |
| C-O single bond | 1 | 1 | 0,9 |
Röðun endurspeglar uppsöfnuð ritrýnisgögn, ekki eina valdboðsreglu. Staðfestu alltaf í samhengi við sýnið þitt.
Ritlist á bak við þessar úthlutanir
-
C n single bond öryggi 1,0
“Explicit assignment: 'vibrations at 1171 and 1120 ... can be associated with C-N bending vibration'”
Muresan-Pop 等 - 2011 - Spectroscopic and physical-chemical characterizati DOI: 10.3233/SPE-2011-0519 -
S eq o öryggi 0,95
“Explicit assignment: S=O stretch at 1170.79 cm-1 for PDOS.”
Sampora 等 - 2017 - Study of Synthesis Polyethylene glycol oleate Sulf DOI: 10.1088/1742-6596/909/1/012078 -
C-O single bond öryggi 0,9
“Text: 'C-O stretching bands at 1171, 1197 and 1245'.”
Kanakdande 等 - 2019 - Pineapple Waste and Wastewater Route for Biodiese DOI: 10.1590/1678-4324-2019180499 -
öryggi 0,9
“Explicit assignment in text.”
Weng 等 - 2013 - Synthesis of iron-based nanoparticles by green tea DOI: 10.1016/j.indcrop.2013.09.024 -
Sulfonyl öryggi 0,9
“Explicit assignment: '1148 and 1171 (O=S=O symmetrical stretch)'.”
Aquino 等 - 2018 - Synthesis and Characterization of Polysulfone (PSU DOI: 10.1051/matecconf/201821303001 -
öryggi 0,9
“Text: 'peaks at 1171 and 1074 due to asymmetric and symmetric stretching of S=D=S'”
Santos Almeida Junior 等 - 2013 - Castor Oil and Commercial Thermoplastic Polyuretha DOI: 10.1590/S1516-14392013005000068
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