What absorbs at 545 cm⁻¹ in an FTIR spectrum?
A band near 545 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 8 cited sources
Mögliche Funktionsgruppenzuweisungen
| Funktionelle Gruppe | Unterstützende Fakten | Zitierte Quellen | Höchstes Vertrauen |
|---|---|---|---|
| Metal oxygen | 5 | 5 | 1,0 |
| Phosphate (PO4) | 1 | 1 | 1,0 |
| Methoxy (OCH3) | 1 | 1 | 1,0 |
| Methacrylate | 1 | 1 | 1,0 |
| Acetate | 1 | 1 | 1,0 |
| C-O single bond | 1 | 1 | 1,0 |
| C c single bond | 1 | 1 | 1,0 |
| Alkyl C-H | 1 | 1 | 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
-
Vertrauen 1,0
“Phase formation has been elucidated from Fourier transform infrared spectroscopy (FTIR) and X-ray diffraction (XRD) analysis of the cm-1in band at 545 the FTIR spectra represents the presence of Fe-O bond which shifts to lower samples.”
Nikam 和 Athawale - 2013 - Effect of Base and Dopant Concentration on Phase F DOI: 10.1063/1.4810567 -
Vertrauen 1,0
“24 436 cm-1is broad peak near 545 attributed to Fe-O and Bi- (1970).”
Singh 等 - 2013 - Synthesis and Optical Properties of Y(3+)Doped BiF DOI: 10.1063/1.4810583 -
Vertrauen 1,0
“The peaks at 545 cm-1 in composites cm-1 cm-1 545 and 680 attributed to the Zn-O bond (Figure 5a) [35].”
Babayevska 等 - 2021 - Fabrication of Gelatin-ZnO Nanofibers for Antibact DOI: 10.3390/ma14010103 -
Alkyl C-H Vertrauen 1,0
“cm-1, cm-1, 780 and ance of some absorption peaks at 1,318 cm-1), and C-H matic ring skeleton vibration (around 1,545 cm-1, which are due to the symmetrical stretch514(515) cm-1) in their spectra;”
Ch'ng 等 - 2016 - Vasorelaxation Study and Tri-Step Infrared Spectro DOI: 10.3831/KPI.2016.19.016 -
Metal oxygen Vertrauen 1,0
“cm(cid:4)1 /Mo4+).38Thehigh-temperaturereductionpeakwasduetothe species.41 molybdate The bands at 727 could be attributed 4phase.42Thevibrationbandat545cm(cid:4)1results 2e(cid:4) / Mo4+ (Mo4+ Mo0).38 tothea-NiMoO complete reduction of spec”
Synthesis of ZSM-5/KIT-6 with a tunable pore structure and its catalytic application in the hydrodesulfurization of dibenzothiophene and diesel oil DOI: 10.1039/c8ra05675g -
C c single bond Vertrauen 1,0
“cm(cid:1)1 cm(cid:1)1 mM(Pt)).ApoptoticcellswereanalyzedusingtheMuse™Count, identied (d) The bands at 545 and 276 were as Muse™ Muse™ C-C-O Viability kit, Caspase 3/7 kit and the Annexin V bending vibrations and skeletal deformation modes”
Gonzalez Torres 等 - 2018 - Synthesis of gamma radiation-induced PEGylated cis DOI: 10.1039/c8ra06296j -
Phosphate (PO4) Vertrauen 1,0
“cm-1 cm-1 δO-P-O Bands A at ~545 and B at ~566 correspond to the deformation vibration of and cm-1 Q2 δO-P-O bonds in units [63].”
Spectroscopic Properties of Erbium-Doped Oxyfluoride Phospho-Tellurite Glass and Transparent Glass-Ceramic Containing BaF2 Nanocrystals DOI: 10.3390/ma12203429 -
Vertrauen 1,0
“New peak assignable to Ni-N.”
Nasaruddin 等 - 2022 - Synthesis, Structural Characterization, Hirshfeld DOI: 10.1021/acsomega.2c04688
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