What absorbs at 1402 cm⁻¹ in an FTIR spectrum?
A band near 1402 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
Aseiniadau grŵp swyddogaethol posibl
| Grŵp swyddogaethol | Ffeithiau ategol | Ffynonellau a ddyfynnwyd | Hyder uchaf |
|---|---|---|---|
| C-O single bond | 1 | 1 | 1.0 |
| C n single bond | 1 | 1 | 0.9 |
| Carboxyl (COOH) | 1 | 1 | 0.9 |
| N h | 1 | 1 | 0.8 |
| Sulfonyl | 1 | 1 | 0.7 |
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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C-O single bond hyder 1.0
“Explicit assignment: 'peak at 1402 is responsible for C-O group'.”
Rahman 等 - 2020 - Fabrication of selective and sensitive chemical se DOI: 10.1038/s41598-020-76662-6 -
Carboxyl (COOH) hyder 0.9
“Text: 'symmetric stretching vibration of carboxylate group by a peak at 1402 cm-1'”
Suhail 等 - 2021 - Preparation and In Vitro Evaluation of AsparticAl DOI: 10.3390/gels7020068 -
C n single bond hyder 0.9
“Text: 'C-N vibration at 1402 cm-1'”
Sulaiman 等 - 2018 - Eco-friendly Method for Synthesis of La2O3 Nanopar DOI: 10.1063/1.5064102 -
hyder 0.8
“Peak located at 1402 cm-1 were its bending vibrations”
Wang 等 - 2021 - Microencapsulated soil conditioner with a water-so DOI: 10.1080/02652048.2020.1836056 -
hyder 0.8
“IR vibration modes of PVDF powder due 1402cm-1”
Abdullah 等 - 2014 - Effect of annealing process on the phase formation DOI: 10.1063/1.4895187 -
N h hyder 0.8
“Text: 'FTIR spectra of NH in NH4Cl have character- 4 1402cm-1'”
Lang 等 - 2018 - Dehydrogenation and reaction pathway of Perovskite DOI: 10.1016/j.pnsc.2018.02.002 -
Sulfonyl hyder 0.7
“Assigned to O=S=O”
Liu 等 - 2019 - Novel Selective Depressant of Titanaugite and Impl DOI: 10.3390/min9110703 -
hyder 0.7
“Explicit mention: 'PNH, in comparison with PGHO, shows higher 1402'”
Uddin 等 - 2022 - Nigellahoneygarlicolive oil co-loaded PVA elect DOI: 10.1007/s40204-022-00207-5
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