What absorbs at 850 cm⁻¹ in an FTIR spectrum?
A band near 850 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 |
|---|---|---|---|
| Carbonate | 3 | 3 | 0,9 |
| Borate | 2 | 2 | 0,9 |
| Silicon-oxygen (Si-O) | 2 | 2 | 0,7 |
| N h | 1 | 1 | 0,9 |
| C c single bond | 1 | 1 | 0,9 |
| Silicon nitrogen | 1 | 1 | 0,9 |
| Siloxane (Si-O-Si) | 1 | 1 | 0,8 |
| Phosphate (PO4) | 1 | 1 | 0,8 |
| Silicate | 1 | 1 | 0,7 |
| Carboxyl (COOH) | 1 | 1 | 0,7 |
Pořadí odráží nahromaděné literární důkazy, nikoli jediné autoritativní pravidlo. Vždy potvrďte v kontextu vašeho vzorku.
Literatura za těmito přiřazeními
-
spolehlivost 1,0
“Explicit assignment: 'C-O-S 850 corresponding ... stretch'”
Daniel-da-Silva 等 - 2007 - In situ synthesis of magnetite nanoparticles in ca DOI: 10.1021/bm070096q -
Carbonate spolehlivost 0,9
“Text: 'The peaks at 850, 719 are characteristics vibration bands of CO3 2- ions'.”
Gutierrez Perez 等 - 2015 - Synthesis of CdCO3 in situ-doped-Pb2+ grown by che DOI: 10.1016/j.matlet.2015.08.034 -
Silicon nitrogen 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 -
Borate spolehlivost 0,9
“Part of the range 1180-850 assigned to these stretches.”
Haemmer 等 - 2022 - Cd[B-2(SO4)(4)] and H-2[B-2(SO4)(4)] - a phyllosil DOI: 10.1039/d2dt02344j -
C c single bond spolehlivost 0,9
“Explicit assignment in text: 'peaks at 850 950 are attributed to the C-C stretching'”
Javanbakht 等 - 2016 - Polyethylene glycol and poly(vinyl alcohol) hydrog DOI: 10.1139/cjc-2016-0229 -
N h spolehlivost 0,9
“Characteristic N-H (850 cm-1).”
de Souza Balbinot 等 - 2022 - Antibacterial Effect of Triazine in Barrier Membra DOI: 10.3390/polym14214482 -
Carbonate spolehlivost 0,8
“Characteristic vibration band of CO3^2-.”
Chavez Portillo 等 - 2014 - Shapeand size controlled synthesis of CdCO3 in s DOI: 10.1016/j.matlet.2014.01.042 -
Borate spolehlivost 0,8
“Characteristic peaks for B-O, P-O, B-H vibration modes.”
Dalui 等 - 2008 - Boron phosphide films prepared by co-evaporation t DOI: 10.1016/j.tsf.2007.09.047
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