What absorbs at 3222 cm⁻¹ in an FTIR spectrum?
A band near 3222 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 4 cited sources
Possibili assegnazioni di gruppi funzionali
| Gruppo funzionale | Fatti di supporto | Fonti citate | Affidabilità massima |
|---|---|---|---|
| Hydroxyl (O-H) | 4 | 3 | 1,0 |
| Alkyl C-H | 3 | 3 | 1,0 |
| N h | 1 | 1 | 1,0 |
| Secondary amine | 1 | 1 | 1,0 |
| C n single bond | 1 | 1 | 1,0 |
| Amide | 1 | 1 | 1,0 |
La classifica riflette le prove bibliografiche accumulate, non una singola regola autorevole. Conferma sempre nel contesto del tuo campione.
Letteratura dietro queste assegnazioni
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Hydroxyl (O-H) affidabilità 1,0
“The PtNPs/GNs/PG electrode showed bands at 988 cm-1, 1290 cm-1, 1632 cm-1 and 3222 cm-1, which confirms O-H bonding, C-N stretching and N-H, as well as CThebareelectrodestudiedbySEMshowsnodeposition(Figure6A)ontoPGE,whereas cm-1, which was”
An Amperometric Acetylcholine Biosensor Based on Co-Immobilization of Enzyme Nanoparticles onto Nanocomposite DOI: 10.3390/bios13030386 -
Hydroxyl (O-H) affidabilità 1,0
“LLM confirmed rule peak-group candidate”
In Situ Gel with Silver Nanoparticles Prepared Using Agrimonia eupatoria L. Shows Antibacterial Activity DOI: 10.3390/life13020573 -
Hydroxyl (O-H) affidabilità 1,0
“FTIR analysis of the Chomeliaasiavalues of Polygonum hydropiper-oil were 194.63/ tica-AgNPs, and the bands due to hydrogen-bonded (O-H 199.65ppm, and confertifolin was 2.02/3.16ppm against 3222.44cm-1), 2922.23cm-1 2nd 4th stretch, the alke”
Baranitharan 等 - 2022 - Fabrication of Silver Nanoparticles Using Fimbrist DOI: 10.1155/2022/4083663 -
Alkyl C-H affidabilità 1,0
“The C-H stretching modes at 3222 are also visible.”
Tomasella 等 - 2020 - Theranostic Nanoplatforms of Thiolated Reduced Gra DOI: 10.3390/app10165529
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