What absorbs at 1159 cm⁻¹ in an FTIR spectrum?
A band near 1159 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
Attributions possibles de groupes fonctionnels
| Groupe fonctionnel | Faits à l＇appui | Sources citées | Confiance maximale |
|---|---|---|---|
| C-O single bond | 2 | 2 | 0,9 |
| Ring structure | 1 | 1 | 1,0 |
| Aromatic ring | 1 | 1 | 1,0 |
| Silicon-oxygen (Si-O) | 1 | 1 | 1,0 |
| Siloxane (Si-O-Si) | 1 | 1 | 1,0 |
| Sulfonate | 1 | 1 | 0,95 |
| Alkyl C-H | 1 | 1 | 0,9 |
| C n single bond | 1 | 1 | 0,9 |
Le classement reflète les preuves bibliographiques accumulées, et non une règle faisant autorité. Confirmez toujours dans le contexte de votre échantillon.
Bibliographie derrière ces attributions
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Aromatic ring confiance 1,0
“by N-C55O pseudosymmetric stretching at Other absorption bands 1589cm21, Downloaded C55C located at 1576 and due to stretching bands in chloroalk1159cm21 enes, at 1366 and corresponding to the benzene ring stretching spectra[30] and breathi”
Armenta 等 - 2005 - Vibrational spectrometry strategies for quality co DOI: 10.1080/00387010500315843 -
Siloxane (Si-O-Si) confiance 1,0
“Peak at 1159 cm-1 assigned to Si-O-Si and Si-O-C absorption.”
Mir 等 - 2017 - Thermal, Rheological, Mechanical and Morphological DOI: 10.1007/s10924-016-0880-6 -
Sulfonate confiance 0,95
“Same assignment as above.”
Taweekarn 等 - 2015 - Synthesis and characterization of sulfonated poly( DOI: 10.1007/s00289-014-1272-5 -
C n single bond confiance 0,9
“Part of the same range as above.”
Raharja 等 - 2017 - Mocaf Cross-Linking with Gluten to Improve The Qua DOI: 10.1063/1.4978123 -
C-O single bond confiance 0,9
“Assigned to C-O bond.”
Firoozi 和 Kang - 2020 - Immobilization of FGF on Poly(xylitol dodecanedioi DOI: 10.1038/s41598-020-67261-6 -
Alkyl C-H confiance 0,9
“Explicit assignment in text”
Kafarska 等 - 2017 - Synthesis, Spectroscopic, and Thermal Investigatio DOI: 10.1155/2017/6172626 -
C-O single bond confiance 0,9
“Text: 'peak in 1159 is a bridge stretching vibration glycosidic starch (C-O-C)'”
Muharam 等 - 2017 - Characterization of Superabsorbent Hydrogel Based DOI: 10.1063/1.4991187
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