What absorbs at 950 cm⁻¹ in an FTIR spectrum?
A band near 950 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 |
|---|---|---|---|
| Alkyl C-H | 4 | 4 | 0,9 |
| Silicon-oxygen (Si-O) | 3 | 3 | 0,9 |
| Phosphate (PO4) | 2 | 2 | 0,9 |
| Silanol (Si-OH) | 2 | 2 | 0,9 |
| C-O single bond | 2 | 2 | 0,9 |
| Carbohydrate | 2 | 2 | 0,8 |
| Metal hydroxyl | 1 | 1 | 0,9 |
| C c single bond | 1 | 1 | 0,9 |
| Alkene (C=C) | 1 | 1 | 0,9 |
| Metal oxo | 1 | 1 | 0,9 |
| Silicon carbon | 1 | 1 | 0,9 |
| Nucleic acid | 1 | 1 | 0,8 |
| Hydroxyl (O-H) | 1 | 1 | 0,7 |
| Metal oxygen | 1 | 0 | 1,0 |
Pořadí odráží nahromaděné literární důkazy, nikoli jediné autoritativní pravidlo. Vždy potvrďte v kontextu vašeho vzorku.
Literatura za těmito přiřazeními
-
C-O single bond spolehlivost 0,9
“Explicit assignment in text”
Felipe Tirado 等 - 2017 - EVALUATION OF THE COAGULANT CAPACITY OF STARCH OBT DOI: 10.20937/RICA.2017.33.esp01.11 -
spolehlivost 0,9
“Explicit assignment in text.”
Hallam 等 - 2012 - Effect of PECVD silicon oxynitride film compositio DOI: 10.1016/j.solmat.2011.09.052 -
Silicon carbon spolehlivost 0,9
“Peak near 950 cm-1 represents LO stretching bond of Si-C.”
Kocaman 和 Caliskan - 2020 - Ultra-fine beta SiC nanowires Isothermally convert DOI: 10.1016/j.matchemphys.2020.123716 -
spolehlivost 0,9
“Explicit assignment: 'small peak at around 950 indicated the presence of titanium tetrahedral coordination through Si-O-Ti bonds'.”
Nizar 等 - 2018 - The Effect of Titanium Tetrahedral Coordination of DOI: 10.1088/1757-899X/335/1/012036 -
Silanol (Si-OH) spolehlivost 0,9
“Explicit assignment: peak around 950 cm-1 due to Si-OH.”
Sunarso 等 - 2008 - Characterization of hybrid organic and inorganic f DOI: 10.1016/j.ssi.2008.02.066 -
spolehlivost 0,9
“Characteristic of SiO3 bands of glassy network”
Zitani 等 - 2014 - Crystallization, Sinterability and Microwave Diele DOI: 10.1007/s13391-013-3103-5 -
spolehlivost 0,9
“Text: 'IR band at 950 assigned to the stretching vibration of Si-O belonging to the uncoupled SiO tetrahedra'”
Baran 等 - 2016 - Influence of the nature and environment of cobalt DOI: 10.1016/j.micromeso.2015.12.061 -
Silicon-oxygen (Si-O) spolehlivost 0,9
“Explicit assignment in text: 'band at 950 that was attributed to the Ti-O-Si bond'”
Benjak 等 - 2023 - Rubber Tiles Made from Secondary Raw Materials wit DOI: 10.3390/pr11010125
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