What absorbs at 538 cm⁻¹ in an FTIR spectrum?
A band near 538 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
Possible functional-group assignments
| Functional group | Supporting facts | Cited sources | Top confidence |
|---|---|---|---|
| Metal oxygen | 3 | 3 | 1.0 |
| Aromatic ring | 1 | 1 | 1.0 |
| Carbohydrate | 1 | 1 | 1.0 |
Ranking reflects accumulated literature evidence, not a single authoritative rule. Always confirm against your sample context.
Literature behind these assignments
-
Metal oxygen confidence 1.0
“LLM confirmed rule peak-group candidate”
Hybrid structure of biotemplate-zinc-tin oxide for better optical, morphological and photocatalytic properties DOI: 10.1088/1361-6641/aa577c -
confidence 1.0
“The (M-S) stretching frequency is observed from 538cm-1 the presence of the peaks at 583 and [18] of which the peak The FTIR spectra of the Zr-doped SnS nanopowders are shown in 2 583cm-1 538cm-1 SneS 3140cm-1observed at corresponds to bond”
Synthesis and characterization of Zr-doped SnS2 nanopowders by a simple soft chemical route towards magnetic and antibacterial applications DOI: 10.1016/j.surfin.2017.08.001 -
confidence 1.0
“The strong bending vibration at ~ 538 is scatter of hematite, which is the main crystalline mineral in cm-1 assigned to Fe-bearing phyllosilicates (chlorite, biotite, etc.).”
An integrated toolkit using multiple methods for determining the potential sources of iron and manganese in groundwater: a case study from the lower Kelantan River Basin, Malaysia DOI: 10.1007/s12665-021-09756-7 -
Carbohydrate confidence 1.0
“The cm(cid:3)1 strong absorption peak at 538 was confirmed to be characteristic of sugar derivatives.”
Isolation, characterization, optimization, immobilization and batch fermentation of bioflocculant produced by Bacillus aryabhattai strain PSK1 DOI: 10.1016/j.jgeb.2017.07.002 -
Metal oxygen confidence 1.0
“3d, the characteristic peak of 531.5447 Zn-O was observed at binding energy while the peak was observed at 538.48 eV may be attributed to the stearate48.”
Superhydrophobic magnetic sorbent via surface modification of banded iron formation for oily water treatment DOI: 10.1038/s41598-022-15187-6 -
Aromatic ring confidence 1.0
“The bands in the region are due to out-ofplane deformation of the phenyl ring and they are concm-1 It is evident that the intensity of the 538 band was cm-1 sensitive.34,35 formationally The broad 538 band due to increased during aging, sho”
Effect of low-temperature physical ageing on the dynamic transitions of atactic polystyrene in the glassy state DOI: 10.1002/polb.24883 -
Metal oxygen confidence 1.0
“It should be noted cm-1 cm-1, vibration of hematite which yields vibrational bands at 538 and 469 were overlapping with that the Fe-O vibration of hematite which yields vibrational bands at 538 cm-1 and 469 cm-1, were”
Ma 等 - 2019 - Investigation of the Optical, Physical, and Chemic DOI: 10.3390/su11143803
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