What absorbs at 459 cm⁻¹ in an FTIR spectrum?
A band near 459 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
Gán nhóm chức có thể
| Nhóm chức | Sự kiện hỗ trợ | Nguồn tham khảo | Độ tin cậy cao nhất |
|---|---|---|---|
| Metal oxygen | 4 | 4 | 1,0 |
| Alkyl C-H | 3 | 3 | 1,0 |
| Methacrylate | 2 | 2 | 1,0 |
| Acetate | 2 | 2 | 1,0 |
| Hydroxyl (O-H) | 2 | 1 | 1,0 |
| Silicon-oxygen (Si-O) | 1 | 1 | 1,0 |
| Ketone | 1 | 1 | 1,0 |
| Ester | 1 | 1 | 1,0 |
| Carboxyl (COOH) | 1 | 1 | 1,0 |
| Carbonyl (C=O) | 1 | 1 | 1,0 |
| Amide | 1 | 1 | 1,0 |
| Phosphate (PO4) | 1 | 1 | 1,0 |
| Silicon (Si) | 1 | 1 | 1,0 |
| Methoxy (OCH3) | 1 | 1 | 1,0 |
| C-O single bond | 1 | 1 | 1,0 |
| Aromatic ring | 1 | 1 | 1,0 |
| Water (H2O) | 1 | 0 | 0,9 |
Xếp hạng phản ánh bằng chứng tài liệu tích lũy, không phải một quy tắc duy nhất có thẩm quyền. Luôn xác nhận với ngữ cảnh mẫu của bạn.
Tài liệu tham khảo đằng sau các gán này
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Metal oxygen độ tin cậy 1,0
“from the leaf extract and Ce-O stretching mode at 459 This study shows that CeO NPs exhibit mild to moderate 2 analysis of cFU counting assay”
Maqbool 等 - 2016 - Antimicrobial potential of green synthesized CeO2 DOI: 10.2147/IJN.S113508 -
Hydroxyl (O-H) độ tin cậy 1,0
“cm-1 Si-O As seen in Figure 5a, the absorption at 3326 was bond, showing the presence of SiO deposited on the 2 vibration,18 particles.23 O-H attributed to stretching and the absorption surface of TiO The two peaks at 458.6 and 464.3 2”
Wang 等 - 2023 - Surface-Modified TiO2@SiO2 Nanocomposites for Enha DOI: 10.1021/acsomega.3c02679 -
độ tin cậy 1,0
“6j, the Ti 2p peaks at 458.84 eV and 464.58 eV correspond to the chemical states Ti 2p1/2 and Ti 2p3/2, respectively.”
Photocatalytic activity of ZrO2/TiO2/Fe3O4 ternary nanocomposite for the degradation of naproxen: characterization and optimization using response surface methodology DOI: 10.1038/s41598-022-14676-y -
Metal oxygen độ tin cậy 1,0
“Therefore, PANI@TiO 2 and PANI@TiC nanocomposites showed peaks at 459 eV and 462 eV, which correspond”
Bekhoukh 等 - 2021 - Development, Investigation, and Comparative Study DOI: 10.3390/polym13193344 -
Alkyl C-H độ tin cậy 1,0
“While the VIS regression coefficient showed a curve profile with a maximal contribution typical of the 8-hydroxyquinoline-Cd(II) complex [54], the FTIR regression coefficient profile included Kelex 100 characteristic IR vibrational bands at”
Determination of Cadmium (II) in Aqueous Solutions by In Situ MID-FTIR-PLS Analysis Using a Polymer Inclusion Membrane-Based Sensor: First Considerations DOI: 10.3390/molecules25153436 -
Alkyl C-H độ tin cậy 1,0
“The broadened and deep peaks at 459 was assigned to angular bending of (Silva cm(cid:3)1 C-H et al.”
Mahapatra 等 - 2023 - Chemically activated carbon preparation from natur DOI: 10.2166/wst.2023.004 -
Silicon (Si) độ tin cậy 1,0
“cm-1 (670-560 The third group of bands, with a maximum at 459 is associated with O-Si(Al)-O bending vibrations of six-membered rings in D6R units or possibly with cm-1 vibrations of higher-membered (12-membered) rings.”
Recycling of Waste Solution after Hydrothermal Conversion of Fly Ash on a Semi-Technical Scale for Zeolite Synthesis DOI: 10.3390/ma14061413 -
Alkyl C-H độ tin cậy 1,0
“[39,48] Bands at 466 cm-1 and 493 cm-1 are attributed to the convolution) of bands at 472 cm-1 propOx from TPOZ) 1445 1444 1438 1443 1445 C-H asym bend in -CH [39,40] from TEOS with 459 cm-1 from TPOZ and 500 cm-1 from PDMS with 482 cm-1 fr”
Electron Beam Irradiation on the Production of a Si- and Zr-Based Hybrid Material: A Study by FTIR and WDXRF DOI: 10.3390/ma16020489
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