What absorbs at 1183 cm⁻¹ in an FTIR spectrum?
A band near 1183 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 7 cited sources
Galimi funkcinių grupių priskyrimai
| Funkcinė grupė | Pagrindžiantys faktai | Cituoti šaltiniai | Aukščiausias pasitikėjimas |
|---|---|---|---|
| Methoxy (OCH3) | 4 | 4 | 1,0 |
| Methacrylate | 4 | 4 | 1,0 |
| C-O single bond | 4 | 4 | 1,0 |
| Acetate | 4 | 4 | 1,0 |
| Fatty acid | 1 | 1 | 1,0 |
| Sulfonate | 1 | 1 | 1,0 |
| Alkyl C-H | 1 | 1 | 1,0 |
| Silicon carbon | 1 | 1 | 1,0 |
| Silicon (Si) | 1 | 1 | 1,0 |
| Carboxyl (COOH) | 1 | 1 | 1,0 |
| Oxygen heterocycle | 1 | 1 | 1,0 |
| Water (H2O) | 1 | 1 | 1,0 |
| Amide | 1 | 0 | 1,0 |
Reitingavimas atspindi sukauptą literatūros įrodymų kiekį, o ne vieną autoritetingą taisyklę. Visada patvirtinkite pagal savo mėginio kontekstą.
Literatūra, kuria remiantis atlikti šie priskyrimai
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Water (H2O) pasitikėjimas 1,0
“C60FWS (fullerene water system) samples[20] show four vibration bands of C fullerene at 523-526, 571, 1182.560 cm-1, 1183 and 1429 close to the simulated spectra.”
EL-Barbary - 2016 - Hydrogenated Fullerenes in Space FT-IR Spectra an DOI: 10.1063/1.4953126 -
Oxygen heterocycle pasitikėjimas 1,0
“The slight vibrations at 1183 and 957 cm-1 correspond to epoxy groups (C-O), and”
Sustainable Remedy Waste to Generate SiO2 Functionalized on Graphene Oxide for Removal of U(VI) Ions DOI: 10.3390/su14052699 -
Silicon (Si) pasitikėjimas 1,0
“and 1239 The tion peaks of C-N appeared at 1290 toxic (cell viability >90%), mild (cell viability 60-90%), modercm-1 was attributed to Si-CH due to the presence peak at 1183 ate (cell viability 30-60%) and severe (30%) (30).”
Khan 等 - 2021 - The Structural, Physical, and In Vitro Biological DOI: 10.14744/eej.2020.36349 -
Acetate pasitikėjimas 1,0
“At 1578 and 1390 the asymmetric and, respectively, C=O symmetric stretching vibration of the C=O bond from the carboxylate anion are revealed, while the the symmetric stretching vibration of the bond from the carboxylate anion are revealed,”
Stability and Compatibility Studies of Levothyroxine Sodium in Solid Binary Systems—Instrumental Screening DOI: 10.3390/pharmaceutics12010058 -
Sulfonate pasitikėjimas 1,0
“The peaks at about 1183, 1122 and 1036 cm-1 of LDH-SAS are attributed cm-1 attributed to the stretching vibration of sulfonate groups [41], and the peak at about 833 is the to the stretching vibration of sulfonate groups [41], and the peak”
Aging-Resistant Functionalized LDH–SAS/Nitrile-Butadiene Rubber Composites: Preparation and Study of Aging Kinetics/Anti-Aging Mechanism DOI: 10.3390/ma11050836 -
Acetate pasitikėjimas 1,0
“O stretch), 1183 approach for recrystallization in presence of ultrasound under cooling cm(cid:0) (C-O-C (C-O-C 1 asymmetrical stretching) and 1045 symmetconditions gives plate / rod type crystals unlike corrugated, porous or rical stretchi”
Improvements in azithromycin recrystallization using ultrasound for size reduction DOI: 10.1016/j.ultsonch.2022.105922 -
Acetate pasitikėjimas 1,0
“vulgaris) 1183 and 1185 (stretching vibration of group C-O to 1395 cm-1 to 1395 cm-1 (A.”
Identification of Metabolites with Antibacterial Activities by Analyzing the FTIR Spectra of Microalgae DOI: 10.3390/life12091395
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