What absorbs at 951 cm⁻¹ in an FTIR spectrum?
A band near 951 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
Možná přiřazení funkčních skupin
| Funkční skupina | Podpůrná fakta | Citované zdroje | Nejvyšší spolehlivost |
|---|---|---|---|
| Alkyl C-H | 3 | 3 | 1,0 |
| Silicon (Si) | 3 | 3 | 1,0 |
| C-O single bond | 2 | 2 | 1,0 |
| Silicon-oxygen (Si-O) | 2 | 2 | 1,0 |
| Methyl | 1 | 1 | 1,0 |
| Methoxy (OCH3) | 1 | 1 | 1,0 |
| Methacrylate | 1 | 1 | 1,0 |
| Acetate | 1 | 1 | 1,0 |
| Hydroxyl (O-H) | 1 | 1 | 1,0 |
| Silanol (Si-OH) | 1 | 1 | 1,0 |
| Metal oxygen | 1 | 1 | 1,0 |
| Siloxane (Si-O-Si) | 1 | 1 | 1,0 |
Pořadí odráží nahromaděné literární důkazy, nikoli jediné autoritativní pravidlo. Vždy potvrďte v kontextu vašeho vzorku.
Literatura za těmito přiřazeními
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Silicon (Si) spolehlivost 1,0
“Then, at 24 h, the deconvoluted peaks at 951 cm-1, and 995 which are due to Si-O-Na, Si-O-Si, and Al-O-Si, increase.”
Alumino-Silicate Structural Formation during Alkali-Activation of Metakaolin: In-Situ and Ex-Situ ATR-FTIR Studies DOI: 10.3390/ma16030985 -
Silicon (Si) spolehlivost 1,0
“cm-1 cm-1 1033.11 is attributed to the stretching vibration of Si(Al)-O, the peak at 951.42 is cm-1 attributed to the stretching vibration of Si-O-Fe, the peak at 762.00 is attributed to the cm-1 stretching vibration of Si-Si, the peak at 7”
Effects and Mechanism of Fe3+ on Flotation Separation of Feldspar and Epidote with Sodium Oleate at Natural pH DOI: 10.3390/separations9050110 -
Alkyl C-H spolehlivost 1,0
“cm_1 cm_1 vibration near 2922 was attributed to C-H stretching and 951 only as an unknown peak .”
Geng 等 - 2020 - Quality Attributes and Microstructure of Cell Wall DOI: 10.3136/fstr.26.281 -
Silicon (Si) spolehlivost 1,0
“In turn, the band at 951 cm-1 is attributed to the stretching vibrations of Si-OH bonds [52,53].”
Chemical Doping of a Silica Matrix with a New Organic Dye from the Group of Heterocyclic Compounds—Chemical, Optical and Surface Characteristics DOI: 10.3390/cryst12040478 -
Acetate spolehlivost 1,0
“The sharp band at cm-1 cm-1 amine II), 1067 (C-O-C asymmetric stretching in phase ring), 1008 (C-O cm-1 (-CH asymmetric stretching in phase ring) and 951 wagging).”
Isolation of Chitin from Black Soldier Fly (Hermetia illucens) and Its Usage to Metal Sorption DOI: 10.3390/polym13050818 -
Alkyl C-H spolehlivost 1,0
“Also, the profile of C-H stretching cm-1 mode near 951 in polymer blend shifts to higher wavenumber side on the addition of salt, suggesting the firm interaction of the polymer with cation.”
Arya 和 Sharma - 2018 - Structural, microstructural and electrochemical pr DOI: 10.1007/s11581-017-2364-7). -
C-O single bond spolehlivost 0,9
“explicit assignment in text”
Teng 等 - 2017 - Preparation and Properties of Hydrogels Based on P DOI: 10.1021/acsomega.6b00296
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