What absorbs at 3061 cm⁻¹ in an FTIR spectrum?
A band near 3061 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 |
|---|---|---|---|
| Amide | 1 | 1 | 1.0 |
| Water (H2O) | 1 | 1 | 1.0 |
| Hydroxyl (O-H) | 1 | 1 | 1.0 |
| Aromatic ring | 1 | 0 | 1.0 |
| Alkyl C-H | 1 | 0 | 1.0 |
Ranking reflects accumulated literature evidence, not a single authoritative rule. Always confirm against your sample context.
Literature behind these assignments
-
Hydroxyl (O-H) confidence 1.0
“LLM confirmed rule peak-group candidate”
Investigation of Crystallization and Salt Formation of Poorly Water-Soluble Telmisartan for Enhanced Solubility DOI: 10.3390/pharmaceutics11030102 -
Water (H2O) confidence 1.0
“cm-1, cm-1, peaks above 3000 near 3487, 3428, 3339, 3259 and 3061 assigned to stretching peaks above 3000 cm-1, near 3487, 3428, 3339, 3259 and 3061 cm-1, assigned to stretching vibrations of the coordinated water molecules [30].”
Calcium Oxalate and Gallic Acid: Structural Characterization and Process Optimization toward Obtaining High Contents of Calcium Oxalate Monohydrate and Dihydrate DOI: 10.3390/cryst11080954 -
Amide confidence 1.0
“Wavelength/cm-1 Definition of the spectral assignment 3303 Amide A (mainly N-H stretching) 3061 Amide B (N-H bending)”
Ye 等 - 2016 - The impact of the HbA1c level of type 2 diabetics DOI: 10.1038/srep33352
Have a spectrum with this band?
Upload your FTIR spectrum and get a full interpretation report — peak assignments with literature citations, library matches, and a confidence-rated evidence chain — in seconds.
Interpret my spectrum