What absorbs at 486 cm⁻¹ in an FTIR spectrum?
A band near 486 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
Mahdolliset funktionaalisten ryhmien määritykset
| Funktionaalinen ryhmä | Tukevat tosiasiat | Viitatut lähteet | Korkein luottamus |
|---|---|---|---|
| Metal oxygen | 2 | 2 | 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 |
| Borate | 1 | 1 | 1,0 |
| Alkyl C-H | 1 | 1 | 1,0 |
| N n bond | 1 | 1 | 1,0 |
Sijoitus kuvastaa kertyneitä kirjallisuustodisteita, ei yhtä auktoritatiivista sääntöä. Varmista aina suhteessa näytteesi asiayhteyteen.
Näiden määritysten taustalla oleva kirjallisuus
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N n bond luottamus 1,0
“(n n cm-1 845 and 971 and are due to stretching vibrations of SiO and 3) and bands at 486 and N 4 1 A (n n cm-1 682 are due to bending vibrations of O-Si-O and 4) [30, 31].”
Driving the photoluminescent and structural properties of X2-Y2SiO5 by varying the dopant Dy3+ concentration towards cool wLED applications DOI: 10.1016/j.solidstatesciences.2017.05.008 -
Alkyl C-H luottamus 1,0
“stretching and the N-H amines group was observed in peak assigned at 1516-1616 The 485 presence of cell wall polysaccharide (C-H) due to aliphatic stretching was observed at peak 1442 486 cm-1.”
Singh 等 - 2017 - Comprehensive characterization of lignocellulosic DOI: 10.1016/j.renene.2016.11.039 -
luottamus 1,0
“The two peaks located at 486 and 592 may be The absorbance (A) of the various PVA-ZnO nanocomascribed to the defects of the oxygen atom for ZnO NPs or posites versus the incident wavelength is shown in Fig.”
Improvement of Optical Properties of Functionalized Polyvinyl Alcohol-Zinc Oxide Hybrid Nanocomposites for Wide UV Optoelectronic Applications DOI: 10.1007/s10904-023-02616-w -
luottamus 1,0
“Prominent Raman shifts of norfloxacin 1500-1450 O-C-O group of acid υ stretching vibration of s 485.6 Strong δ aliphatic chain and C-N the O-C-O group”
Sahoo 等 - 2012 - FTIR and Raman Spectroscopic Investigations of a N DOI: 10.4103/0975-1483.100017 -
luottamus 1,0
“The Raman band at 486 and 498 are the 3, s(O-C-O) mode in the lead oxalate, the 854 cm-1 cm-1 cm-1 ν ν(C-C), ν ν and 891 band are assigned to the 2, 1436 and 1478 are assigned to the 1, s(C-O), and”
Removal mechanism of Pb(II) by Penicillium polonicum: immobilization, adsorption, and bioaccumulation DOI: 10.1038/s41598-020-66025-6 -
luottamus 1,0
“The band at 486 corresponds to the Cu-O stretching vibration.”
Ultrahigh-Pressure Preparation and Catalytic Activity of MOF-Derived Cu Nanoparticles DOI: 10.3390/nano11041040 -
luottamus 1,0
“cm-1, cm-1, cm-1 cm-1 While, Ag NPs showed peaks at 486 1,309 2,340 and 3,714 and matched well with the published literature (Rashmi et al., 2020).”
Augmented anticancer effect and antibacterial activity of silver nanoparticles synthesized by using Taxus wallichiana leaf extract DOI: 10.7717/peerj.14391 -
Borate luottamus 1,0
“3 cm-1 877, 1012, and 1274 cm-1, where peaks at 258, 271, 391, 408, 425, 648, 854, 877 cm-1 are assigned to BO3 peaks at 486, 1012, 1274 are assigned to BO [24-28].”
Development of FTIR Spectroscopy Methodology for Characterization of Boron Species in FCC Catalysts DOI: 10.3390/catal10111327
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