What absorbs at 525 cm⁻¹ in an FTIR spectrum?
A band near 525 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
可能性のある官能基アサイン
| 官能基 | 裏付け事実 | 引用元 | 最高信頼度 |
|---|---|---|---|
| Silicon-oxygen (Si-O) | 5 | 5 | 1.0 |
| Metal oxygen | 5 | 5 | 1.0 |
| Silicon (Si) | 3 | 3 | 1.0 |
| Siloxane (Si-O-Si) | 2 | 2 | 1.0 |
| Carbonate | 1 | 1 | 1.0 |
| Carboxyl (COOH) | 1 | 1 | 1.0 |
| Phosphate (PO4) | 1 | 0 | 1.0 |
| Phosphorus | 1 | 0 | 1.0 |
ランキングは蓄積された文献証拠を反映しており、単一の権威あるルールではありません。常にサンプルのコンテキストと照合して確認してください。
これらのアサインの根拠となる文献
-
Metal oxygen 信頼度 1.0
“BiO octahedral structure possesses 6 M cm-1 peaks at 525 and 450 due to the bending vibration of Bi-O.”
Francis 等 - 2016 - Optical nonlinearity in multiferroic bismuth ferri DOI: 10.1016/j.jallcom.2016.07.094 -
Metal oxygen 信頼度 1.0
“Wave number cm-1 The peak at 525 should be a stretching of Cu-O, which”
Padil 和 Cernik - 2013 - Green synthesis of copper oxide nanoparticles usin DOI: 10.2147/IJN.S40599 -
信頼度 1.0
“One possible explanation for the appearance of the band at 525 cm-l could be due to the incorporation of Al atoms into the CON building units, leading to”
Park 等 - 2020 - Insight into the crystallization mechanism of the DOI: 10.1016/j.micromeso.2020.110213 -
Carboxyl (COOH) 信頼度 1.0
“All three samples show a desorption peak with maximum at around 525 K, as in the case of the AlPO sample, that would correspond to weak acid sites, and an additional desorption peak at higher temperature (with maximum at around 625 K), whic”
Alvaro-Munoz 等 - 2013 - Effect of silicon content on the catalytic behavio DOI: 10.1016/j.cattod.2013.04.031 -
Metal oxygen 信頼度 1.0
“cm-1 band indicates the presence of quartz, the 625 band stems from out-of-plane Al-O-Si cm-1 cm-1 vibrations, and the bands at 525 and 467 are related to Al oct-O-Si, and Si-O-Si bending vibrations, respectively.”
Rehydration Driven Na-Activation of Bentonite—Evolution of the Clay Structure and Composition DOI: 10.3390/ma14247622 -
信頼度 1.0
“The main reduction peak at 490 K may be related to the direct reduction of extra-framework octahedral (Cu(II) whereas the reduction peak at 525 K may be related to the reduction of copper oxides occurring in zeolite pores in line with earli”
High activity of mononuclear copper present in the framework of CuSiBEA zeolites in the selective catalytic reduction of NO with NH3 DOI: 10.1016/j.micromeso.2015.11.065 -
信頼度 1.0
“cm-1 A strong complex band at 1037 is attributed to the stretching vibration of the Si-O groups cm-1 cm-1 of the tetrahedral sheets and the absorption bands at 525 and 467 belong to Si-O-Al cm-1,”
Du 等 - 2020 - Synthesis, Property and Mechanism Analysis of a No DOI: 10.3390/min10020128 -
信頼度 1.0
“The weak for the loss of the physically adsorbed water and the second 525cm-1 153.9∘ band at is bending vibration of Si-O-Al and the C corresponding to the endothermic valley appears at 834cm-1”
Li 等 - 2014 - Preparation and Characterization of Montmorillonit DOI: 10.1155/2014/167402
このバンドを持つスペクトルがありますか？
FTIRスペクトルをアップロードすると、数秒で完全な解釈レポート（文献引用付きピークアサイン、ライブラリマッチ、信頼度評価付き証拠チェーン）を取得できます。
スペクトルを解釈