What absorbs at 620 cm⁻¹ in an FTIR spectrum?
A band near 620 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
可能的官能基指派
| 官能基 | 支持事實 | 引用來源 | 最高信心 |
|---|---|---|---|
| Metal oxygen | 3 | 2 | 1.0 |
| Alkyl C-H | 1 | 1 | 0.9 |
| Silicon (Si) | 1 | 1 | 0.9 |
| Silicon hydride | 1 | 1 | 0.9 |
| Silicon-oxygen (Si-O) | 1 | 1 | 0.8 |
| Carbonate | 1 | 1 | 0.7 |
排名反映累積的文獻證據，而非單一權威規則。請務必根據您的樣品背景進行確認。
這些指派背後的文獻
-
Metal oxygen 信心 0.95
“Explicit assignment: 'vibrational stretching mode of Cd-O is 620'.”
Karthik 等 - 2017 - Photocatalytic and antibacterial activities of hyd DOI: 10.1007/s10854-017-6937-z -
信心 0.9
“attributed to double bond of pyrrole rings”
Yun 等 - 2019 - Fabrication and characterization of conductive mic DOI: 10.1515/spma-2019-0001 -
信心 0.9
“Text: 'peak observed at 477 and 620 can be assigned ... to Ni-O and Ni-O-H bond, respectively.'”
Aziz 等 - 2021 - Effect of Engineered Nickel Oxide Nanoparticles on DOI: 10.29261/pakvetj/2021.044 -
信心 0.9
“Explicit assignment in text.”
Berjonneau 等 - 2007 - Understanding the CVD process of (Si)-B-C ceramics DOI: 10.1016/j.surfcoat.2007.01.039 -
信心 0.9
“Same as above.”
Dal Pozzo 等 - 2019 - Free fatty acids esterification catalyzed by acid DOI: 10.1039/c8ra10248a -
信心 0.9
“Text lists band at 620 as one of the five bands, attributed to Co3O4.”
Jiratova 等 - 2019 - Cobalt Oxide Catalysts in the Form of Thin Films P DOI: 10.3390/catal9100806 -
信心 0.9
“Explicit assignment in text.”
Patala 等 - 2022 - In Situ Generation of Fouling Resistant AgPd Modi DOI: 10.3390/membranes12080762 -
Silicon hydride 信心 0.9
“Text: 'SiH peak at 620 cm-1'”
Ramirez-Porras 等 - 2020 - Dataset for the comparison of vacuum-treated and a DOI: 10.1016/j.dib.2020.105475
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