What absorbs at 448 cm⁻¹ in an FTIR spectrum?
A band near 448 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 5 cited sources
संभावित कार्यात्मक-समूह असाइनमेंट
| कार्यात्मक समूह | समर्थन तथ्य | उद्धृत स्रोत | शीर्ष विश्वास |
|---|---|---|---|
| Silicon-oxygen (Si-O) | 2 | 1 | 1.0 |
| Protein | 1 | 1 | 1.0 |
| Phosphorus | 1 | 1 | 1.0 |
| Phosphate (PO4) | 1 | 1 | 1.0 |
| Fatty acid | 1 | 1 | 1.0 |
| Ring structure | 1 | 1 | 1.0 |
| Siloxane (Si-O-Si) | 1 | 1 | 1.0 |
| Silicon (Si) | 1 | 1 | 1.0 |
| Methoxy (OCH3) | 1 | 1 | 1.0 |
| Methacrylate | 1 | 1 | 1.0 |
| C-O single bond | 1 | 1 | 1.0 |
| Acetate | 1 | 1 | 1.0 |
रैंकिंग संचित साहित्य साक्ष्य को दर्शाती है, एक एकल आधिकारिक नियम नहीं। हमेशा अपने नमूना संदर्भ के खिलाफ पुष्टि करें।
इन असाइनमेंट के पीछे का साहित्य
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Acetate विश्वास 1.0
“increasedfrom300to500,700and900◦ C,onlyabroadbandof The peaks at 1683 and 1624 represents the C O and C O in 448cm-1, 1393cm-1 zinc oxide was observed (460, 465 and respectively) the spectrum [17].”
Wahab 等 - 2008 - Synthesis and characterization of hydrozincite and DOI: 10.1016/j.jallcom.2007.07.029 -
Silicon (Si) विश्वास 1.0
“The absorption peak around 448 corresponded to the Si-O-Si bending”
El Ouardi 等 - 2020 - An insight of enhanced natural material (calcined DOI: 10.1016/S0043-1354(01)00071-9 -
Ring structure विश्वास 1.0
“In FT-Raman Photoluminescence (PL) spectroscopy is one of the powerful tools to cm(cid:3)1 Spectrum, a peak observed at 448 is due to OBO ring bending.”
Structural, vibrational and optical studies on semiorganic crystals of boric acid potassium acetate DOI: 10.1016/j.heliyon.2019.e03133 -
Fatty acid विश्वास 1.0
“between 3029-2767 and 1785-400 The first region is attributed to stretching 448 vibrations (peroxides) and some variation in fatty acids content (secondary oxidation products).”
Kharbach 等 - 2021 - New insights into the Argan oil categories charact DOI: 10.1016/j.talanta.2020.122073 -
Phosphate (PO4) विश्वास 1.0
“For the comparison of the fluorescence intensities of aCRY•8-HDF, aCRY and 8-HDF solvated in phosphate buffer or DMSO samples were excited at their absorption maxima at 448, 447, 421 and 455 nm respectively, with a bandwidth of 5 nm and a d”
Oldemeyer 等 - 2020 - Interconnection of the Antenna Pigment 8-HDF and F DOI: 10.1021/acs.biochem.9b00875
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