What absorbs at 879 cm⁻¹ in an FTIR spectrum?
A band near 879 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 3 cited sources
Possible functional-group assignments
| Functional group | Supporting facts | Cited sources | Top confidence |
|---|---|---|---|
| Lipid | 1 | 1 | 0.8 |
| Protein | 1 | 1 | 0.8 |
| Carbohydrate | 1 | 1 | 0.8 |
| Phospholipid | 1 | 1 | 0.8 |
| Nucleic acid | 1 | 1 | 0.8 |
| Silicon carbon | 1 | 0 | 0.7 |
Ranking reflects accumulated literature evidence, not a single authoritative rule. Always confirm against your sample context.
Literature behind these assignments
-
confidence 1.0
“A-type carbonate”
Madupalli 等 - 2017 - Carbonate substitution in the mineral component of DOI: 10.1016/j.jssc.2017.07.025. -
confidence 0.8
“Characteristic absorption peaks of PVDF.”
Lang 等 - 2007 - Preparation and characterization of PVDF-PFSA blen DOI: 10.1016/j.memsci.2006.11.009 -
Nucleic acid confidence 0.8
“Text states peaks at 879 cm-1 and 1074 cm-1 correspond to functional groups of these biomolecules.”
Potocki 等 - 2019 - FTIR and Raman Spectroscopy-Based Biochemical Prof DOI: 10.3390/ijms20040988
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