What absorbs at 708 cm⁻¹ in an FTIR spectrum?
A band near 708 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
Võimalikud funktsionaalrühmade määramised
| Funktsionaalrühm | Toetavad faktid | Tsiteeritud allikad | Kõrgeim usaldusväärsus |
|---|---|---|---|
| C-O single bond | 2 | 2 | 1,0 |
| Silicon-oxygen (Si-O) | 2 | 2 | 1,0 |
| Metal oxygen | 2 | 2 | 1,0 |
| Aromatic ring | 1 | 1 | 1,0 |
| Ring 6m | 1 | 1 | 1,0 |
| Methoxy (OCH3) | 1 | 1 | 1,0 |
| Methacrylate | 1 | 1 | 1,0 |
| Acetate | 1 | 1 | 1,0 |
| Siloxane (Si-O-Si) | 1 | 1 | 1,0 |
| Silicon carbon | 1 | 1 | 1,0 |
| Hydroxyl (O-H) | 1 | 0 | 1,0 |
Reiting kajastab kogunenud kirjanduslikke tõendeid, mitte ühte autoriteetset reeglit. Kinnitage alati oma proovi kontekstis.
Nende määramiste taga olev kirjandus
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Silicon carbon usaldusväärsus 1,0
“According to Sawpan et al., peaks cm-1 cm-1 for Si-C symmetric stretching, at 708 for Si-O-Si symmetric at 780”
Hajiha 等 - 2014 - Modification and Characterization of Hemp and Sisa DOI: 10.1080/15440478.2013.861779 -
usaldusväärsus 1,0
“The peak value at 707.74 was due to the presence of Fe 2O in RIPT”
Sakthisharmila 等 - 2017 - A characteristic study on generation and interacti DOI: 10.1016/j.molliq.2017.01.106 -
usaldusväärsus 1,0
“The major peak at 708 shows the cm-1 presence of Mg-O vibrations.”
Abuhimd 等 - 2020 - Influence of Magnesium Aluminate Nanoparticles on DOI: 10.3390/coatings10100968 -
usaldusväärsus 1,0
“Si-O-Al stretching vibrations at 707.58 and”
A Novel Open-System Method for Synthesizing Muscovite from a Biotite-Rich Coal Tailing DOI: 10.3390/min11030269 -
C-O single bond usaldusväärsus 1,0
“At 154 mainly caused by glycosidic bond, six-membered ring ◦C, decomposition and decarbonylation, the maximum heat release peak also occurs at 708 which 3.1.3.”
Synthesis of Phosphated K-Carrageenan and Its Application for Flame-Retardant Waterborne Epoxy DOI: 10.3390/polym10111268 -
Aromatic ring usaldusväärsus 1,0
“3054 CH aromatic rings (Symmetric stretching) CaCO 708 CO (Stretching) 3 3”
da Silva 和 Wiebeck - 2022 - ATR-FTIR Spectroscopy Combined with Chemometric Me DOI: 10.21203/rs.3.rs-905784/v1 -
Metal oxygen usaldusväärsus 0,9
“Explicit assignment in text”
Thakur 等 - 2022 - SUPERCRITICAL ANTISOLVENT METHOD FOR RECRYSTALLIZA DOI: 10.24425/cpe.2022.140819
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