What absorbs at 461 cm⁻¹ in an FTIR spectrum?
A band near 461 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
Possible functional-group assignments
| Functional group | Supporting facts | Cited sources | Top confidence |
|---|---|---|---|
| Metal oxygen | 3 | 3 | 1.0 |
| Siloxane (Si-O-Si) | 2 | 2 | 0.9 |
| Metal halide | 2 | 1 | 1.0 |
Ranking reflects accumulated literature evidence, not a single authoritative rule. Always confirm against your sample context.
Literature behind these assignments
-
Metal halide confidence 1.0
“Explicit assignment: 'vibrations at 461 and 550 which can be assigned for Mg-F and Mg-O'.”
Rosyadi 和 Murwani - 2017 - Synthesis and Characterization of Cu Doped Magnesi DOI: 10.1063/1.4978097 -
Siloxane (Si-O-Si) confidence 0.9
“assigned to Si-O-Si vibrations”
Lubis 等 - 2021 - Modification of Oxidized Starch Polymer with Nanoc DOI: 10.1007/s10924-021-02101-w -
Siloxane (Si-O-Si) confidence 0.9
“Assigned to overlapping of bending mode vibrations of Si-O-Si and Si-O-M.”
Muresan 等 - 2014 - Hard porous chromium containing macrospheres as ne DOI: 10.2478/s11532-013-0403-4 -
Metal oxygen confidence 0.8
“Text states '461cm-1 showed peaks at 699 and analogous to Al-O and Gd-O'.”
Kadyana 等 - 2020 - Rapid-gel combustion synthesis, structure and lumi DOI: 10.1016/j.ijleo.2019.163450 -
Metal oxygen confidence 0.8
“Absorption band assigned to ZnO stretching”
Muzaffar 等 - 2020 - Microwave assisted tuning of optical and magnetic DOI: 10.1007/s10971-020-05290-3 -
confidence 0.6
“New peak attributed to nanoparticle band”
Widanarto 等 - 2013 - Natural Fe3O4 nanoparticles embedded zinc-tellurit DOI: 10.1016/j.matchemphys.2012.11.040
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