What absorbs at 697 cm⁻¹ in an FTIR spectrum?
A band near 697 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 5 cited sources
Aseiniadau grŵp swyddogaethol posibl
| Grŵp swyddogaethol | Ffeithiau ategol | Ffynonellau a ddyfynnwyd | Hyder uchaf |
|---|---|---|---|
| C-O single bond | 2 | 2 | 0.9 |
| Aromatic ring | 1 | 1 | 0.9 |
| Hydroxyl (O-H) | 1 | 1 | 0.8 |
| Silicon-oxygen (Si-O) | 1 | 1 | 0.8 |
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
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hyder 1.0
“Explicit assignment in text.”
Caliskan 等 - 2022 - Investigation of the Side Chain Effect on Gas and DOI: 10.3390/polym14010119 -
C-O single bond hyder 0.9
“Text: 'vibrations24-27) 697cm-1, C-O-C'”
Wang 等 - 2015 - Bilayer graphite-oxide anode for organic light-emi DOI: 10.7567/JJAP.54.042101 -
C-O single bond hyder 0.9
“Text: '≅697 C-O SiO combination band + 1163 stretching weak'”
Krivoshein 等 - 2022 - FTIR Photoacoustic and ATR Spectroscopies of Soils DOI: 10.1021/acsomega.1c05702 -
Aromatic ring hyder 0.9
“Explicit assignment.”
Rafieian 等 - 2020 - Polyethersulfone membrane embedded with amine func DOI: 10.1016/j.ijbiomac.2020.09.017 -
Silicon-oxygen (Si-O) hyder 0.8
“Same sentence as above; both peaks associated with Si-O and OH.”
Pumure 等 - 2010 - Ultrasonic extraction of arsenic and selenium from DOI: 10.1016/j.chemosphere.2010.01.020
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