What absorbs at 977 cm⁻¹ in an FTIR spectrum?
Ивица близо до 977 cm⁻¹ може да сочи към няколко функционални групи. По-долу са най-вероятните присвоявания, подредени по количеството публикувани доказателства, които ги подкрепят — всяко едно проследимо до литература (DOI) и кръстосано валидирано спрямо нашите 130 000+ референтни спектъра и графика на знанията.
Backed by 8 cited sources
Възможни определяния на функционални групи
| Функционална група | Подкрепящи факти | Цитирани източници | Най-висока достоверност |
|---|---|---|---|
| Silicon-oxygen (Si-O) | 3 | 3 | 1,0 |
| Methoxy (OCH3) | 2 | 2 | 1,0 |
| Methacrylate | 2 | 2 | 1,0 |
| C-O single bond | 2 | 2 | 1,0 |
| Acetate | 2 | 2 | 1,0 |
| Ester | 1 | 1 | 1,0 |
| Siloxane (Si-O-Si) | 1 | 1 | 1,0 |
| Silicon (Si) | 1 | 1 | 1,0 |
| Phosphorus | 1 | 1 | 1,0 |
| Phosphate (PO4) | 1 | 1 | 1,0 |
| Nucleic acid | 1 | 1 | 1,0 |
| Silanol (Si-OH) | 1 | 1 | 1,0 |
| Aromatic ring | 1 | 1 | 0,8 |
| Lipid | 1 | 1 | 0,8 |
Класирането отразява натрупаните литературни доказателства, а не единично авторитетно правило. Винаги потвърждавайте спрямо контекста на вашата проба.
Литература зад тези определяния
-
Acetate достоверност 1,0
“The GO spectrum presents a broad band at 3192 cm-1, corresponding to the O-H stretching vibration, and peaks associated to the C = O (1734 cm-1), C-OH (1399 cm-1), C-O-C (1207 cm-1) and C-O (977 cm-1) vibrations.”
Joining Caffeic Acid and Hydrothermal Treatment to Produce Environmentally Benign Highly Reduced Graphene Oxide DOI: 10.3390/nano11030732 -
Silanol (Si-OH) достоверност 1,0
“The silanol band around 3740 cm-1 and 977 cm-1 decreased in intensity with higher cycle numbers as TMI”
Synthesis of High Surface Area—Group 13—Metal Oxides via Atomic Layer Deposition on Mesoporous Silica DOI: 10.3390/nano12091458 -
Acetate достоверност 1,0
“977 978 cm-1 The absorptions in the region between 1200 and 1000 are indicative of C-O-C 417 979 980”
The affiliation of Hexasterias problematica and Halodinium verrucatum sp. nov. to ciliate cysts based on molecular phylogeny and cyst wall composition DOI: 10.1016/j.ejop.2018.09.002 -
достоверност 1,0
“Other peaks, ascribed to vibrations from the structure of tobermorite, are at about 1052 cm-1 (νasSi-O-Si), 997 cm-1 (νSi-O-), 977 cm-1”
Phase Composition of Silica Fume—Portland Cement Systems Formed under Hydrothermal Curing Evaluated by FTIR, XRD, and TGA DOI: 10.3390/ma14112786 -
достоверност 1,0
“crystalline β phase, where the intensities increase after doping Ag NWs into PVDF, while the intensities cm-1, of the absorption peaks at 977, 796 and 762 which are attributed to the crystalline α phase, drop after doping Ag NWs into PVDF.”
Sensitivity of Pressure Sensors Enhanced by Doping Silver Nanowires DOI: 10.3390/s140609889 -
Nucleic acid достоверност 1,0
“The spectrum groups associated with the stretching bands, 43of YAP-KD were associated with positive scores on the phosphodiester bonds from the nucleic acid, and PO 977cm-1 1000cm-1 score plot (PC1) and presented as a negative loading of ph”
Lorthongpanich 等 - 2019 - YAP as a key regulator of adipo-osteogenic differe DOI: 10.1186/s13287-019-1494-4 -
Silicon-oxygen (Si-O) достоверност 1,0
“4 4 900, 930 and 977 cm-1 as asymmetric stretching of SiO4 as shown in Table 2.”
Phase Transformation, Optical and Emission Performance of Zinc Silicate Glass-Ceramics Phosphor Derived from the ZnO–B2O3–SLS Glass System DOI: 10.3390/app10144940 -
достоверност 1,0
“15, the peak at 977 cm-1 to 1176 was due to asymmetric and symmetric tetrahecm-1 dral of SiO or stretch vibration of Al 2O 3, whereas 977 In conclusion, the compressive strength of silicon manwas due to vibration bending of Si-O-Si [71].”
Effect of Chemical Treatment on Silicon Manganese: Its Morphological, Elemental and Spectral Properties and Its Usage in Concrete DOI: 10.1007/s12633-021-01569-4
Имате спектър с тази лента?
Качете вашия FTIR спектър и получете пълен отчет за интерпретация — определяне на пикове с литературни цитати, съвпадения с библиотека и верига от доказателства с оценка на достоверността — за секунди.
Интерпретирайте моя спектър