What absorbs at 1189 cm⁻¹ in an FTIR spectrum?
A band near 1189 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
Mögliche Funktionsgruppenzuweisungen
| Funktionelle Gruppe | Unterstützende Fakten | Zitierte Quellen | Höchstes Vertrauen |
|---|---|---|---|
| C-O single bond | 1 | 1 | 1,0 |
| Ring structure | 1 | 1 | 1,0 |
| Amide | 1 | 1 | 1,0 |
| Carboxyl (COOH) | 1 | 1 | 1,0 |
| Alkyl C-H | 1 | 0 | 1,0 |
Das Ranking spiegelt die gesammelte Literatur Evidenz wider, nicht eine einzelne maßgebliche Regel. Bestätigen Sie immer anhand Ihres Probenkontexts.
Literatur hinter diesen Zuweisungen
-
Carboxyl (COOH) Vertrauen 1,0
“are those at 1460 and 2 3 1276cm-1 COOH stretch/bend combination is observed at and 1189cm-1.”
Font 等 - 2007 - Fourier transform infrared spectroscopy as a suita DOI: 10.1016/j.aca.2007.07.021 -
Amide Vertrauen 1,0
“Amide II 1272.94±0.16 0.443±0.121 *** *** II/COO(cid:3) Amide stretching 1188.83±0.08 1195.40±0.05 0.466±0.025 0.324±0.011 ***”
Differentiation in MALDI-TOF MS and FTIR spectra between two pathovars of Xanthomonas oryzae DOI: 10.1016/j.saa.2014.06.056 -
Vertrauen 1,0
“These control experiments also in the Fe-containing systems (Figure 6c and e), as an additional cm-1, signifying the existence of at uptake of the support the fact that the dissimilar initial NO nitrite band exists at 1189 x least one more”
Kayhan 等 - 2010 - Fe Promoted NOx Storage Materials Structural Prop DOI: 10.1021/jp907982q -
Ring structure Vertrauen 1,0
“to one in-plane ring deformation, predicted at 1189 vibration modes, are essentially invariant upon deuteration, the Our on cm-1”
Low-Temperature FTIR Spectroscopic and Theoretical Study on an Energetic Nitroimine: Dinitroammeline (DNAM) DOI: 10.1021/jp711153g -
C-O single bond Vertrauen 1,0
“at 1189 cm-1, due to 1,4-glycosidic bonds;”
Chitosan Graft Copolymers with N-Vinylimidazole as Promising Matrices for Immobilization of Bromelain, Ficin, and Papain DOI: 10.3390/polym14112279
Haben Sie ein Spektrum mit dieser Bande?
Laden Sie Ihr FTIR-Spektrum hoch und erhalten Sie in Sekunden einen vollständigen Interpretationsbericht – Peakzuweisungen mit Literaturzitaten, Bibliotheksübereinstimmungen und einer vertrauensbewerteten Evidenzkette.
Mein Spektrum interpretieren