What absorbs at 3309 cm⁻¹ in an FTIR spectrum?
A band near 3309 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
Attributions possibles de groupes fonctionnels
| Groupe fonctionnel | Faits à l＇appui | Sources citées | Confiance maximale |
|---|---|---|---|
| N h | 3 | 3 | 0,9 |
| Hydroxyl (O-H) | 2 | 2 | 0,9 |
| Metal hydroxyl | 1 | 1 | 1,0 |
| Water (H2O) | 1 | 1 | 0,9 |
Le classement reflète les preuves bibliographiques accumulées, et non une règle faisant autorité. Confirmez toujours dans le contexte de votre échantillon.
Bibliographie derrière ces attributions
-
Metal hydroxyl confiance 1,0
“Explicit assignment: '3309 cm-1-series peaks were assigned as -Ti-OH stretching'”
Phlayrahan 等 - 2018 - Fe oxidation state in heat-treated basaltic blue s DOI: 10.1088/1742-6596/1144/1/012057 -
Water (H2O) confiance 0,9
“stretching mode of water inside the stones”
Jaliya 等 - 2020 - Characterization of heat treated geuda gemstones f DOI: 10.1016/j.sesci.2020.11.001 -
confiance 0,9
“Explicit assignment in keyword_text and text_snippets.”
Phlayrahan 等 - 2018 - Role of Ti Content on the Occurrence of the 3309-c DOI: 10.1007/s10812-018-0662-0 -
confiance 0,9
“Explicit assignment.”
Bhatia 等 - 2022 - Preparation and Physiochemical Characterization of DOI: 10.3390/polym14183855 -
N h confiance 0,9
“N-H”
Cankaya 等 - 2021 - Preparation of poly(MPAEMA)halloysite Nanocomposi DOI: 10.29356/jmcs.v65i2.1257 -
Hydroxyl (O-H) confiance 0,9
“O-H stretching vibration in ethanol shows a peak at 3308.63 cm-1.”
Hema 等 - 2022 - Structural and vibrational study of molecular inte DOI: 10.21203/rs.3.rs-649250/v1 -
confiance 0,9
“Band at 3309-3332 cm-1 assigned to vN-H.”
Jiang 等 - 2018 - Synthesis and structureproperties characterizatio DOI: 10.1098/rsos.180536 -
N h confiance 0,9
“N-H stretch.”
Nikpassand 等 - 2017 - Green synthesis of novel 2-pyrazolyl-1,3-thiazolid DOI: 10.1515/hc-2017-0124
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