What absorbs at 3258 cm⁻¹ in an FTIR spectrum?
A band near 3258 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
Možná přiřazení funkčních skupin
| Funkční skupina | Podpůrná fakta | Citované zdroje | Nejvyšší spolehlivost |
|---|---|---|---|
| Hydroxyl (O-H) | 4 | 4 | 1,0 |
| N h | 2 | 2 | 1,0 |
| Secondary amine | 1 | 1 | 1,0 |
| Silicon-oxygen (Si-O) | 1 | 1 | 1,0 |
| Silicon (Si) | 1 | 1 | 1,0 |
| Urea | 1 | 1 | 1,0 |
| Water (H2O) | 1 | 1 | 1,0 |
Pořadí odráží nahromaděné literární důkazy, nikoli jediné autoritativní pravidlo. Vždy potvrďte v kontextu vašeho vzorku.
Literatura za těmito přiřazeními
-
Hydroxyl (O-H) spolehlivost 1,0
“hydroxyl group stretching is observed at 3258 This is due to the interaction of”
Synthesis and Characterization of Zinc Oxide Nanoparticles Using Acacia caesia Bark Extract and Its Photocatalytic and Antimicrobial Activities DOI: 10.3390/catal11121507 -
spolehlivost 1,0
“The inner surface OH was represented at 3694 and 3622 vibrations and the bands at 3336 cm-1 and 3258 cm-1 are formed by N-H in-plane stretching”
Potency of Urea-Treated Halloysite Nanotubes for the Simultaneous Boosting of Mechanical Properties and Crystallization of Epoxidized Natural Rubber Composites DOI: 10.3390/polym13183068 -
Hydroxyl (O-H) spolehlivost 1,0
“The band at 3258 is due to the stretching vibrations of the O-H groups while bands cm-1, cm-1, cm-1 at 2001 2291 and 2318 are characteristic of the C-C triple bond of alkynes.”
Fawzy - 2021 - Flotation separation of dravite from phlogopite us DOI: 10.37190/ppmp/138587 -
Hydroxyl (O-H) spolehlivost 1,0
“We bands at 3258, 3043, and All of these OH bands”
Kronenberg 等 - 2017 - Synchrotron FTIR imaging of OH in quartz mylonites DOI: 10.5194/se-8-1025-2017 -
Silicon (Si) spolehlivost 1,0
“cm-1 at 3258 corresponds to stretching vibrations of cm-1 defective Si-O groups.”
Muresan 等 - 2014 - Hard porous chromium containing macrospheres as ne DOI: 10.2478/s11532-013-0403-4 -
N h spolehlivost 1,0
“The vibrations at 3258 corresponds to the -NH group, the protonated primary amine cm-1”
Muresan-Pop 等 - 2011 - Spectroscopic and physical-chemical characterizati DOI: 10.3233/SPE-2011-0519 -
Hydroxyl (O-H) spolehlivost 0,9
“Explicit assignment in text.”
Elhosiny Ali 等 - 2022 - Microstructure Study and LinearNonlinear Optical DOI: 10.3390/polym14091741 -
spolehlivost 0,8
“Text: '3258cm-1' in context of H-N stretching”
Yang 等 - 2011 - Hydrogen Releasing of Lithium Amidoborane-LiNH2BH3 DOI: 10.2320/matertrans.MA201015
Máte spektrum s tímto pásem?
Nahrajte své FTIR spektrum a získejte plnou interpretační zprávu – přiřazení píků s citacemi literatury, shody s knihovnou a řetězec důkazů s hodnocením spolehlivosti – během několika sekund.
Interpretovat mé spektrum