What absorbs at 2266 cm⁻¹ in an FTIR spectrum?
A band near 2266 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
Aseiniadau grŵp swyddogaethol posibl
| Grŵp swyddogaethol | Ffeithiau ategol | Ffynonellau a ddyfynnwyd | Hyder uchaf |
|---|---|---|---|
| Isocyanate | 4 | 4 | 0.95 |
| N c o | 2 | 2 | 0.95 |
Mae＇r safle＇n adlewyrchu tystiolaeth llenyddiaeth gronnwyd, nid rheol awdurdodol sengl. Cadarnhewch bob amser yn erbyn eich cyd-destun sampl.
Llenyddiaeth y tu ôl i＇r aseiniadau hyn
-
N c o hyder 0.95
“Peak height of NCO-absorption at 2266 cm-1 used to follow conversion of isocyanate groups.”
Riehle 等 - 2018 - Data on the synthesis and mechanical characterizat DOI: 10.1016/j.eurpolymj.2018.02.029 -
Isocyanate hyder 0.95
“Explicit assignment: intense band at 2266 characteristic of N=C=O asymmetric stretching.”
de Resende 等 - 2022 - Design of polyurea networks containing anticancer DOI: 10.1002/app.51970 -
hyder 0.9
“Disappearance of diazonium stretches at 2266 cm-1 after electrografting.”
Bangle 等 - 2018 - Surface Grafting of Ru(II) Diazonium-Based Sensiti DOI: 10.1021/acsami.7b16641 -
Isocyanate hyder 0.9
“Explicit assignment: 'the isocyanate peak at 2266'”
Moravek 和 Storey - 2008 - Reaction kinetics of dicyclohexylmethane-4,4'-dils DOI: 10.1002/app.28320 -
Isocyanate hyder 0.9
“Band at 2266 cm-1 assigned to free isocyanates (NCO) in neat COPU resin.”
Neves 等 - 2022 - Properties of Luffa Cylindrica Mats Reinforced Cas DOI: 10.3390/polym14245533 -
N c o hyder 0.9
“Absorption band of isocyanate group; absence indicates complete consumption.”
Ross 等 - 2017 - Micro and nanocomposites of polybutadienebased pol DOI: 10.1515/chem-2017-0006
Oes gennych sbectrwm gyda＇r band hwn?
Llwythwch eich sbectrwm FTIR i fyny a chael adroddiad dehongli llawn — aseiniadau brig gyda chyfeiriadau llenyddiaeth, cyfateb llyfrgell, a chadwyn dystiolaeth â gradd hyder — mewn eiliadau.
Dehongli fy sbectrwm