What absorbs at 3429 cm⁻¹ in an FTIR spectrum?
A band near 3429 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
Moguće dodjele funkcionalnih skupina
| Funkcionalna skupina | Potporni dokazi | Citirani izvori | Najveća pouzdanost |
|---|---|---|---|
| Hydroxyl (O-H) | 13 | 13 | 1,0 |
| Alkyl C-H | 4 | 4 | 1,0 |
| Silicon-oxygen (Si-O) | 3 | 3 | 1,0 |
| Silicon (Si) | 3 | 3 | 1,0 |
| N h | 3 | 3 | 1,0 |
| Hydrogen bond | 2 | 2 | 1,0 |
| Silanol (Si-OH) | 1 | 1 | 1,0 |
| Ketone | 1 | 1 | 1,0 |
| Ester | 1 | 1 | 1,0 |
| Carboxyl (COOH) | 1 | 1 | 1,0 |
| Carbonyl (C=O) | 1 | 1 | 1,0 |
| Amide | 1 | 1 | 1,0 |
| Methyl | 1 | 1 | 1,0 |
| Methoxy (OCH3) | 1 | 1 | 1,0 |
| Methacrylate | 1 | 1 | 1,0 |
| Acetate | 1 | 1 | 1,0 |
| Aromatic ring | 1 | 1 | 1,0 |
| Water (H2O) | 1 | 1 | 1,0 |
| Secondary amine | 1 | 1 | 1,0 |
| Siloxane (Si-O-Si) | 1 | 1 | 1,0 |
Rangiranje odražava akumulirane literaturne dokaze, a ne jedno autoritativno pravilo. Uvijek provjerite u kontekstu vašeg uzorka.
Literatura iza ovih dodjela
-
Hydroxyl (O-H) pouzdanost 1,0
“LLM confirmed rule peak-group candidate”
Arizka 等 - 2019 - Synthesis and Physical Properties Characterization DOI: 10.1088/1757-899X/546/4/042004 -
Hydrogen bond pouzdanost 1,0
“LLM confirmed rule peak-group candidate”
Changes in chemical composition and structure of root cell wall of citrus rootstock seedlings in response to boron deficiency by FTIR spectroscopy DOI: 10.1080/14620316.2017.1362327 -
Hydroxyl (O-H) pouzdanost 1,0
“The broad absorption cm-1 band observed at 3429 relates to the O-H stretching vibrations of water present in mixed monometallic iron manganese oxides and bimetallic FeMnO nano particles.”
Urea combustion synthesis of nano-structure bimetallic perovskite FeMnO3 and mixed monometallic iron manganese oxides: effects of preparation parameters on structural, opto-electronic and photocatalytic activity for photo-degradation of Basic Blue 12 DOI: 10.1007/s10854-017-6568-4 -
N h pouzdanost 1,0
“peak at 3429 which was corresponding to NH group, which 2”
Covalent immobilization of Enterococcus faecalis Esawy dextransucrase and dextran synthesis DOI: 10.1016/j.ijbiomac.2015.09.076 -
Hydroxyl (O-H) pouzdanost 1,0
“A broad band, which is cm-1, O-H ples besides the resulting defect and vacancies (Kumar found at 3429 refers to stretching vibration”
Structural and frequency-dependent dielectric properties of (SnO2)1-x(Fe2O3)x DOI: 10.1007/s11051-020-4763-3 -
Hydroxyl (O-H) pouzdanost 1,0
“The relatively 2 cm-1 broad and intense absorption observed at around 3429 indicates the presence of bonded O-H cm-1 stretching vibration.”
Sathish 等 - 2013 - Nano Composite PVA-TiO2 Thin Films for OTFTs DOI: 10.4028/www.scientific.net/AMR.678.335 -
Hydroxyl (O-H) pouzdanost 1,0
“S U cm-1, In the FTIR spectra of CTHIS, there is a wide -OH absorption peak at 3429 N which indicates that the phenolic compounds may be present in CTHIS.”
Pyrolysis characteristics of ethanol swelling Shendong coal and the composition distribution of its coal tar DOI: 10.1016/j.jaap.2018.12.012 -
Hydroxyl (O-H) pouzdanost 1,0
“From the results, it was found that there was a stretching vibration of the O-H bond in the 3429 cm-1 to 2300 cm-1 region, a bending vibration of H-O- (a) 10 M NaOH Solution H in the 1595 cm-1 to 1628 cm-1 region and a stretching vibration”
Effective Utilization of Copper Slag for the Production of Geopolymer Concrete with Different NaOH Molarity under Ambient Curing Conditions DOI: 10.3390/su142316300
Imate li spektar s ovom vrpcom?
Prenesite svoj FTIR spektar i dobijte potpuno izvješće o interpretaciji — dodjele vrhova s literaturnim citatima, podudaranja knjižnice i lanac dokaza s ocjenom pouzdanosti — u sekundama.
Interpretiraj moj spektar