What absorbs at 3314 cm⁻¹ in an FTIR spectrum?
A band near 3314 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 4 cited sources
Possible functional-group assignments
| Functional group | Supporting facts | Cited sources | Top confidence |
|---|---|---|---|
| Hydroxyl (O-H) | 4 | 3 | 1.0 |
| Water (H2O) | 1 | 1 | 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
“cm-1 In the case of the compound GL-ChCL, vibrational bands at 3314 belonged to O-H stretching hydroxyl groups in the neat components, indicating the creation of inter-”
Can 等 - 2023 - Choline Chloride-Based Deep Eutectic Solvent-Treat DOI: 10.3390/f14030569 -
Hydroxyl (O-H) confidence 1.0
“Identity of and broad band at 3314 corresponds to stretching O-H cm-1 BA was firstly confirmed by comparing its HPLC retention vibration of group, the peak at 2930 refers to”
Aisha 等 - 2013 - Syzygium campanulatum korth methanolic extract inh DOI: 10.1186/1472-6882-13-168 -
Water (H2O) confidence 1.0
“LLM confirmed rule peak-group candidate”
FTIR⠍ATR spectroscopy applied to quality control of grape-derived spirits DOI: 10.1016/j.foodchem.2016.02.128 -
Hydroxyl (O-H) confidence 1.0
“Further research regarding the stretching vibrations of the O-H bond ob3314.35cm-1 involving nuclear magnetic resonance spectroscopy served around in Figure 4.”
Cima-Mukul 等 - 2019 - Eco-Efficient Biosorbent Based on Leucaena leucoce DOI: 10.1155/2019/2814047
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