What absorbs at 1089 cm⁻¹ in an FTIR spectrum?
A band near 1089 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
Možná přiřazení funkčních skupin
| Funkční skupina | Podpůrná fakta | Citované zdroje | Nejvyšší spolehlivost |
|---|---|---|---|
| Phosphate (PO4) | 3 | 3 | 0,9 |
| Silicon (Si) | 2 | 2 | 1,0 |
| Silicon-oxygen (Si-O) | 2 | 2 | 1,0 |
| C-O single bond | 2 | 2 | 1,0 |
| C n single bond | 1 | 1 | 0,9 |
| Sulfate (SO4) | 1 | 1 | 0,9 |
| Perchlorate | 1 | 1 | 0,9 |
| Thiocarbonyl | 1 | 1 | 0,8 |
| Siloxane (Si-O-Si) | 1 | 1 | 0,7 |
| Carboxyl (COOH) | 1 | 0 | 0,8 |
| Hydroxyl (O-H) | 1 | 0 | 0,8 |
Pořadí odráží nahromaděné literární důkazy, nikoli jediné autoritativní pravidlo. Vždy potvrďte v kontextu vašeho vzorku.
Literatura za těmito přiřazeními
-
Silicon-oxygen (Si-O) spolehlivost 1,0
“FTIR spectra showed peaks at 1089 and cm-1, 801 which corresponded to asymmetric and symmetric O-Si-O.”
Athinarayanan 等 - 2020 - Fabrication of Biogenic Silica Nanostructures from DOI: 10.1007/s12633-020-00379-4 -
C-O single bond spolehlivost 1,0
“Explicitly assigned as PEG C-O-C peak.”
Deygen 和 Kudryashova - 2016 - New versatile approach for analysis of PEG content DOI: 10.1016/j.colsurfb.2016.01.030 -
spolehlivost 0,9
“Text: 'peak at 1089 indicates strong methylene bond'.”
Baskar 等 - 2016 - Synthesis of Phytonanocomposite of Zinc Oxide by I DOI: 10.1007/s10904-016-0382-y -
Silicon (Si) spolehlivost 0,9
“Explicit assignment in text.”
Hastuti 等 - 2020 - Synthesis of N '-(3-Trimethoxysilylpropyl)diethyle DOI: 10.1063/5.0008267 -
Perchlorate spolehlivost 0,9
“Peak at 1089 cm-1 assigned to ClO4-.”
Ak 等 - 2008 - Synthesis, characterization and optoelectrochemica DOI: 10.1016/j.jelechem.2008.04.015 -
Phosphate (PO4) spolehlivost 0,9
“Explicit assignment in text”
El-Din 等 - 2018 - Decontamination of radioactive cesium ions using o DOI: 10.1039/c8ra02707b -
C-O single bond spolehlivost 0,9
“C-O peak noticed at 1089 cm-1.”
Lukman 和 Saidin - 2019 - Antibacterial Effect of Ginsengpolyaniline Encaps DOI: 10.1051/matecconf/201925303001 -
Sulfate (SO4) spolehlivost 0,9
“sulfate”
Sandu 等 - 2023 - Authentication of a Stradivarius Petite Violin T DOI: 10.3390/app
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