What absorbs at 3363 cm⁻¹ in an FTIR spectrum?
A band near 3363 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 6 cited sources
Moguće dodjele funkcionalnih skupina
| Funkcionalna skupina | Potporni dokazi | Citirani izvori | Najveća pouzdanost |
|---|---|---|---|
| Hydroxyl (O-H) | 3 | 3 | 0,9 |
| N h | 1 | 1 | 0,8 |
| Carboxyl (COOH) | 1 | 1 | 0,7 |
Rangiranje odražava akumulirane literaturne dokaze, a ne jedno autoritativno pravilo. Uvijek provjerite u kontekstu vašeg uzorka.
Literatura iza ovih dodjela
-
Hydroxyl (O-H) pouzdanost 0,9
“Text: 'The peak at 1632 and 3363 corresponds to the stretching vibration of O-H'”
Sagayaraj 等 - 2021 - Microstructure and magnetic properties of Cu0.5Co0 DOI: 10.1007/s00339-021-04653-z -
Hydroxyl (O-H) pouzdanost 0,9
“Explicit assignment: 'due to OH vibrations were observed for all the samples at 3234, 3303, and 3363'”
Sanna 等 - 2013 - Investigation of the hydrozincite structure by inf DOI: 10.2138/am.2013.4158 -
Hydroxyl (O-H) pouzdanost 0,9
“Explicit assignment: 'strong OH stretching band around 3363 cm-1'”
Afinjuomo 等 - 2020 - Influence of Oxidation Degree on the Physicochemic DOI: 10.3390/polym12051025 -
pouzdanost 0,9
“Text: 'intense absorption peak at 3363 ... of free hydroxyl -OH'”
Hamed 等 - 2023 - Biosynthesis of bacterial cellulose nanofibrils in DOI: 10.1007/s11274-022-03485-0 -
N h pouzdanost 0,8
“Shift from 3363 to 3280 attributed to N-H group”
Wicaksono 等 - 2017 - Enhancement of solubility and dissolution rate of DOI: 10.4314/tjpr.v16i7.6 -
Carboxyl (COOH) pouzdanost 0,7
“Peak observed at 3394-3363 cm-1, presence of carboxylic acid mentioned.”
Jayanthy 等 - 2014 - Phytoremediation of dye contaminated soil by Leuca DOI: 10.1016/j.sjbs.2013.12.001
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