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
可能的官能团归属
| 官能团 | 支持性事实 | 引用来源 | 最高置信度 |
|---|---|---|---|
| Isocyanate | 4 | 4 | 0.95 |
| N c o | 2 | 2 | 0.95 |
排名反映了累积的文献证据，而非单一的权威规则。请始终对照您的样品背景进行确认。
这些分配背后的文献
-
N c o 置信度 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 置信度 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 -
置信度 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 置信度 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 置信度 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 置信度 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
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