What absorbs at 480 cm⁻¹ in an FTIR spectrum?
A band near 480 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
संभावित कार्यात्मक-समूह असाइनमेंट
| कार्यात्मक समूह | समर्थन तथ्य | उद्धृत स्रोत | शीर्ष विश्वास |
|---|---|---|---|
| Metal oxygen | 2 | 2 | 1.0 |
| Carbohydrate | 1 | 1 | 1.0 |
| Hydroxyl (O-H) | 1 | 1 | 1.0 |
| Silicon (Si) | 1 | 1 | 1.0 |
| Silicon silicon | 1 | 1 | 1.0 |
| Alkyl C-H | 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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Alkyl C-H विश्वास 1.0
“to 2860 CH band, the region between 900 and 1200 cm-1 In all sites, component loadings showed that the decalcifi - that includes the aromatic C-H band, and a band near 480 cation increased absorption at the CH bending region between (Fig.”
Calderon 等 - 2011 - Chemical Differences in Soil Organic Matter Fracti DOI: 10.2136/sssaj2009.0375 -
Silicon silicon विश्वास 1.0
“In Raman spectrum, for amorphous phase and crystalline phase, the Si-Si TO phonon mode occurs at about 480 cm-1 and 520 cm-1, respectively.”
Chen 等 - 2014 - Effect of Deposition Power on the Structure Proper DOI: 10.4028/www.scientific.net/AMM.442.116 -
Metal oxygen विश्वास 1.0
“[37] specified vibrational peaks for Cu-O from 480 to Fig.”
Green Fabrication of Copper Oxide Nanoparticles: A Comparative Antibacterial Study Against Gram-Positive and Gram-Negative Bacteria DOI: 10.1007/s13369-021-05767-5 -
Silicon (Si) विश्वास 1.0
“The TO mode at 480 cm-1 is an outstanding characteristic of the Raman spectrum of a-Si: H(B), which originates from the short-range order of an amorphous network [37].”
Study of boron doped amorphous silicon lightly hydrogenated prepared by DC magnetron sputtering for infrared detectors applications DOI: 10.1016/j.infrared.2020.103556 -
Hydroxyl (O-H) विश्वास 1.0
“These bands can be assigned to the other two OD stretching (480) OH mode bands, which, accordingly to crystal structure data, are 14 450 450 involved into a chain of three H-bonds.”
Rozenberg 等 - 2004 - Low temperature FTIR spectra and hydrogen bonds in DOI: 10.1016/j.saa.2003.12.013 -
Metal oxygen विश्वास 1.0
“In Fig 5, the band cm-1 located at 480 is correlated to metal oxide bond”
Saini 等 - 2013 - Structural and Optical Properties of ZnO Nanoparti DOI: 10.1063/1.4810170 -
Carbohydrate विश्वास 1.0
“The 943cm-1 air-dried starch was still raw and the main structure remained unare related to the stretchingvibration bands at480, 865 and C\\O\\C C\\O\\C α-glucose changed.”
Physicochemical properties and in vitro digestibility of starch from naturally air-dried chestnut DOI: 10.1016/j.ijbiomac.2018.06.034
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