What absorbs at 1121 cm⁻¹ in an FTIR spectrum?
A band near 1121 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 |
|---|---|---|---|
| Carbonate | 1 | 1 | 1.0 |
| Sulfate (SO4) | 1 | 1 | 0.9 |
| Nucleic acid | 1 | 1 | 0.8 |
| C n single bond | 1 | 1 | 0.8 |
| Aldehyde (CHO) | 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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Carbonate hyder 1.0
“Text: 'sharp peaks like 1121.4 and 1426.6 cm-1 confirming that the carbonates had exhibited'.”
Venkatachalapathy 等 - 2022 - Synthesis, morphological, structural, functional, DOI: 10.15251/DJNB.2022.174.1441 -
hyder 0.9
“Explicit assignment in text.”
Hazeena 等 - 2022 - Extraction Optimization and Structural Characteris DOI: 10.3390/ma15227969 -
Sulfate (SO4) hyder 0.9
“sulfate”
Sandu 等 - 2023 - Authentication of a Stradivarius Petite Violin T DOI: 10.3390/app -
Aldehyde (CHO) hyder 0.8
“Text states 'bands at 1121, 1092, and 972 are due to the presence the aldehydes functional group'.”
Al-Shaibani 等 - 2021 - Enhanced Pharmaceutically Active Compounds Product DOI: 10.3390/molecules26092510 -
C n single bond hyder 0.8
“C-N stretching vibration”
Hijazi 等 - 2019 - High iodine adsorption by polyethyleneimine impreg DOI: 10.1016/j.micromeso.2019.109586 -
Nucleic acid hyder 0.8
“Shoulder of 1121 band due to RNA.”
Yap 等 - 2021 - Detection of Prostate Cancer via IR Spectroscopic DOI: 10.3390/membranes11080591
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