What absorbs at 1061 cm⁻¹ in an FTIR spectrum?
A band near 1061 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
Possible functional-group assignments
| Functional group | Supporting facts | Cited sources | Top confidence |
|---|---|---|---|
| C-O single bond | 4 | 4 | 1.0 |
| Phosphate (PO4) | 2 | 2 | 0.9 |
| Carboxyl (COOH) | 2 | 1 | 0.9 |
| N h | 1 | 1 | 0.9 |
| Carbonyl (C=O) | 1 | 1 | 0.9 |
| C c single bond | 1 | 1 | 0.6 |
Ranking reflects accumulated literature evidence, not a single authoritative rule. Always confirm against your sample context.
Literature behind these assignments
-
C-O single bond confidence 1.0
“Text: 'C-O-C vibrations'”
Lahlali 等 - 2017 - Evaluating Changes in Cell-Wall Components Associa DOI: 10.3390/ijms18102058 -
C-O single bond confidence 0.95
“Text: 'peak appearing at 1061 cm-1 is associated with the stretching vibration of the C-O bond'”
Zhang 等 - 2022 - Preparation and Characterization of Nanocellulose DOI: 10.15376/biores.17.1.504-518 -
Carboxyl (COOH) confidence 0.9
“-COOH stretching bands observed at 1061 cm-1.”
Gao 等 - 2022 - Effective dispersion of oxidized multi-walled carb DOI: 10.1039/d2ra03592h -
C-O single bond confidence 0.9
“C-O-C stretching mode”
Polu 等 - 2015 - Poly(ethylene oxide)-lithium difluoro(oxalato)bora DOI: 10.1007/s11581-015-1474-3 -
Carbonyl (C=O) confidence 0.9
“Explicitly stated: 'peak at 1061 attributed due to stretching of the carbonyl group'”
Revathi 和 Karthik - 2018 - Microwave assisted CdO-ZnO-MgO nanocomposite and i DOI: 10.1007/s10854-018-9968-1 -
confidence 0.9
“Explicitly stated: '1060.84 (broad band of asymmetrical stretch)'”
Alam 等 - 2020 - Development of Hydrophobic, Anticorrosive, Nanocom DOI: 10.3390/polym12122886 -
Phosphate (PO4) confidence 0.9
“PO4 functional group at 1061 cm-1”
Burmawi 等 - 2018 - Caracterization and Compressive Strength of Biocom DOI: 10.1051/matecconf -
N h confidence 0.9
“Explicit assignment.”
Rafique 等 - 2021 - Cost effective dye sensitized solar cell based on DOI: 10.1038/s41598-021-94404-0
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