What absorbs at 3399 cm⁻¹ in an FTIR spectrum?
A band near 3399 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 7 cited sources
Moguće dodjele funkcionalnih skupina
| Funkcionalna skupina | Potporni dokazi | Citirani izvori | Najveća pouzdanost |
|---|---|---|---|
| Hydroxyl (O-H) | 8 | 7 | 1,0 |
| Water (H2O) | 1 | 1 | 1,0 |
| Metal oxygen | 1 | 1 | 0,9 |
| S eq o | 1 | 1 | 0,9 |
| N n bond | 1 | 1 | 0,9 |
| C c single bond | 1 | 1 | 0,9 |
| C-O single bond | 1 | 1 | 0,9 |
| Alkyl C-H | 1 | 1 | 0,9 |
| Aromatic ring | 1 | 1 | 0,9 |
| N h | 1 | 1 | 0,9 |
Rangiranje odražava akumulirane literaturne dokaze, a ne jedno autoritativno pravilo. Uvijek provjerite u kontekstu vašeg uzorka.
Literatura iza ovih dodjela
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Hydroxyl (O-H) pouzdanost 1,0
“From this spectrum, the absorption peak at 3399cm-1 was attributed to the vibration of the hydroxyl group because of the fact that the SnO retained certain adsorbed water 2 from the ambient atmosphere.”
Aziz 等 - 2012 - Structure of SnO2 nanoparticles by sol-gel method DOI: 10.1016/j.matlet.2012.01.073 -
Hydroxyl (O-H) pouzdanost 1,0
“Explicit assignment in text.”
Siriwachirachai 和 Pongjanyakul - 2022 - Particle Agglomeration of Acid-Modified Tapioca St DOI: 10.3390/pharmaceutics14061245 -
N h pouzdanost 0,9
“Text states 'combined peaks of the NH and OH group-str'.”
Ding 等 - 2016 - Synthesis and characterization of retrograded star DOI: 10.1016/j.carbpol.2016.06.007 -
Hydroxyl (O-H) pouzdanost 0,9
“broad absorption peak attributed to hydroxyl mode of vibration”
Yusan 等 - 2016 - Synthesis and structural properties of ZnO and dia DOI: 10.1016/j.ceramint.2015.09.169 -
Hydroxyl (O-H) pouzdanost 0,9
“Explicit assignment: 'peaks due to O H, Ar H, C H, C O, C C, N N, SO 3H, C O and O M stretching and bending vibrations at 3399'”
Hussain 等 - 2017 - DOI: 10.1016/j.jart.2017.03.002 -
Hydroxyl (O-H) pouzdanost 0,9
“Explicit assignment in text”
Yanti 等 - 2021 - Properties and Application of Edible Modified Bact DOI: 10.3390/polym13203570 -
Hydroxyl (O-H) pouzdanost 0,8
“Alternative value 3399 also attributed to O-H.”
Xu 等 - 2022 - Green reduction of graphene oxide using Bacillus s DOI: 10.1016/j.jcis.2021.07.102
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