What absorbs at 520 cm⁻¹ in an FTIR spectrum?
A band near 520 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 |
|---|---|---|---|
| Amide | 1 | 1 | 1.0 |
| Silicon (Si) | 1 | 1 | 0.9 |
| Silicon silicon | 1 | 1 | 0.9 |
| Silicon-oxygen (Si-O) | 1 | 1 | 0.9 |
| Siloxane (Si-O-Si) | 1 | 0 | 0.9 |
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
-
Amide 信心 1.0
“Explicit assignment in text.”
Rangayasami 等 - 2020 - Bioengineered silver nanoparticles using Elytraria DOI: 10.1016/j.bcab.2020.101690 -
信心 1.0
“Text states 'crystalline silicon has a Raman peak at 520 cm-1'”
Basnet 等 - 2018 - Ring defects in n-type Czochralski-grown silicon DOI: 10.1063/1.5057724 -
Silicon-oxygen (Si-O) 信心 0.9
“Explicit assignment in text: 'Si- PCL films showed ... AO bending peaks were identified at 520 and 467'.”
Babu 等 - 2016 - Antimicrobial, antibiofilm, and microbial barrier DOI: 10.1007/s13205-016-0559-7 -
信心 0.9
“Symmetrical Al-O-Al stretching vibration band characteristic of Al2O3.”
Kam 等 - 2021 - Low-Cost Synthesis of Alumina Nanoparticles and Th DOI: 10.3390/pr9101709 -
Silicon silicon 信心 0.9
“High intensity peak at 520 cm-1 attributed to Si-Si.”
Meyns 等 - 2023 - Multi-feature round silicon membrane filters enabl DOI: 10.1039/d2ay01036d -
信心 0.9
“Strong peak at 520 related to Si prism”
Remes 等 - 2013 - Diamond-coated ATR prism for infrared absorption s DOI: 10.1016/j.apsusc.2013.01.039 -
Silicon (Si) 信心 0.9
“Peak at 520 cm-1 assigned to silicon vibration modes.”
Sypniewska 等 - 2020 - Structural, morphological and photoluminescent pro DOI: 10.24425/opelre.2020.134460 -
信心 0.7
“Bands at 517,520 cm-1 indicate tetrahedral and octahedral sites”
Lodhi 等 - 2014 - New Mg0.5CoxZn0.5-xFe2O4 nano-ferrites Structural DOI: 10.1016/j.cap.2014.02.021
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