What absorbs at 923 cm⁻¹ in an FTIR spectrum?
Et bånd nær 923 cm⁻¹ kan peke på flere funksjonelle grupper. Nedenfor er de mest sannsynlige tildelingene, rangert etter hvor mye publiserte bevis som støtter hver — hver enkelt sporbar til litteratur (DOI) og kryssvalidert mot våre 130 000+ referansespektre og kunnskapsgraf.
Backed by 8 cited sources
Mulige funksjonelle gruppe-tilordninger
| Funksjonell gruppe | Støttende fakta | Siterte kilder | Toppkonfidens |
|---|---|---|---|
| Alkyl C-H | 3 | 3 | 1.0 |
| Hydroxyl (O-H) | 2 | 2 | 1.0 |
| Secondary amine | 2 | 2 | 1.0 |
| Methoxy (OCH3) | 1 | 1 | 1.0 |
| Methacrylate | 1 | 1 | 1.0 |
| C-O single bond | 1 | 1 | 1.0 |
| Acetate | 1 | 1 | 1.0 |
| Phosphate (PO4) | 1 | 1 | 1.0 |
| C n single bond | 1 | 1 | 1.0 |
| Amide | 1 | 1 | 1.0 |
| N h | 1 | 1 | 1.0 |
| Silicon nitrogen | 1 | 1 | 1.0 |
| Carboxyl (COOH) | 1 | 1 | 1.0 |
| Silicon-oxygen (Si-O) | 1 | 1 | 1.0 |
| Carbonate | 1 | 1 | 1.0 |
Rangeringen gjenspeiler akkumulert litteraturbevis, ikke en enkelt autoritativ regel. Bekreft alltid mot prøvekonteksten din.
Litteratur bak disse tilordningene
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Carbonate konfidens 1.0
“SO42(cid:2) 659.9 669.4 680.1 629.1 - - - - Due to bending vibration 715.7 713.5 720.8 720.8 714.1 715.0 713.3 715.7 - 877 874.3 874.2 874 874.7 874.3 874 878.6 Carbonate band 922.8 920.9 950.4 980.9 975.7 983.1 980.6 980.5 Peak shifts due”
Theoretical and experimental study of structures and properties of cement paste The nanostructural aspects of C–S–H DOI: 10.1016/j.jpcs.2011.05.001 -
konfidens 1.0
“cm-1 can be related to (iv) The prominent peak at 923 4.3 Interpretation of the Crystallization Behavior Si-O stretching with nonbridging oxygens and the of Hench's Bioglass and Related Substituted Glasses sharing of asymmetric stretching m”
El-Batal 等 - 2018 - Studies of Bone-Bonding Ability and Antibacterial DOI: 10.1007/s12633-017-9580-7 -
Carboxyl (COOH) konfidens 1.0
“1638.25cm-1 <1700cm-1 -COOH(C=OStretching) (Medium) cm-1 cm-1 <1700 (Medium) -COOH (C=O Stretching) 1638.25 1010.16cm-1 and922.53cm-1 ±1050cm-1 -COOH(C-OStretching)”
Validation of the Developed Zero-Order Infrared Spectrophotometry Method for Qualitative and Quantitative Analyses of Tranexamic Acid in Marketed Tablets DOI: 10.3390/molecules26226985 -
Alkyl C-H konfidens 1.0
“The peaks at 923 and 3.1 Film formation mechanism 1091-1 corresponds to the C-H symmetric stretching and C-H deformation vibrations, respectively.”
Thakur 和 Lokhande - 2017 - Effect of dip time on the electrochemical behavior DOI: 10.1515/epoly-2016-0160 -
Silicon nitrogen konfidens 1.0
“2.0 10.4 (3) Si-N stretching 923 983 - - sin3 9.2”
Ay 和 Aydinli - 2004 - Comparative investigation of hydrogen bonding in s DOI: 10.1016/j.optmat.2003.12.004 -
N h konfidens 1.0
“The weak band at 923 can be cm(cid:2)1, ascribed to the NH twisting, followed by a weak band at 889 which is related 3 cm(cid:2)1 to the ring deformation.”
Synthesis, crystal structure, and characterization of cyclohexylammonium tetraisothiocyanatocobaltate(II): A single-source precursor for cobalt sulfide and oxide nanostructures DOI: 10.1016/j.heliyon.2019. -
konfidens 1.0
“bond is observed near 430 cm cm-1 The band at 923 is due to the vibration modes of non-bridging oxygen's in alumino-”
Kumar 等 - 2022 - Synthesis and characterization of cordierite and c DOI: 10.15251/JOR.2022.184.609 -
Amide konfidens 1.0
“polysaccharides(e.g.,glucose) DNAandRNAribose-phosphatechain C-N+-Cstretching 923 vibrationofRNA PhosphodiestergroupsofPO21121 RNA”
Fourier-Transform Infrared Spectroscopy as a Discriminatory Tool for Myotonic Dystrophy Type 1 Metabolism: A Pilot Study DOI: 10.3390/ijerph18073800
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