What absorbs at 534 cm⁻¹ in an FTIR spectrum?

クイックアンサー

A band near 534 cm⁻¹ is usually interpreted by checking which functional groups repeatedly co-occur there in the literature, then confirming at least one or two additional peaks in the same sample. This page ranks those assignments by accumulated evidence rather than by a single fixed textbook rule.

可能性のある官能基アサイン

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。

可能性のある材料

同じ文献プールがこのバンドと少なくとも1つの追加の特性ピークをサポートする場合にのみ、材料が表示されます。

スペクトルロジック

This band becomes meaningful only when read with its neighboring peaks. In practice, analysts first look at the assignments above, then check whether the same sample also shows other peaks expected for the same structural motif. A lone band near 534 cm⁻¹ is usually not enough for material identification by itself.

実使用例

この種のクエリは、ポリマー識別、未知のプラスチックスクリーニング、QCトラブルシューティング、リサイクル材料の検証、および文献に基づいたピーク帰属のレビューで一般的です。

よくある間違い

• 少なくとも1～2つの支持ピークを確認せずに、1つの孤立したバンドを材料の証拠として扱うこと。
• 重複を無視: 複数の官能基が同じ波数付近に寄与することがあります。
• 添加剤、ブレンド、酸化、または汚染がスペクトルを歪める可能性がある場合に検証を省略すること。

検証アドバイス

曖昧さが残る場合は、特にブレンド、劣化サンプル、充填ポリマーについて、DSC、GC-MS、またはTGAで仮説を検証してください。

これらのアサインの根拠となる文献

• Hydroxyl (O-H) 信頼度 1.0

  “1,629 for alkenyl stretch, 1,407 for phenol or cm-1 From the stock solution, the experimentalbioassaymedia was tertiary alcohol, OH bend, 1,032 for cyclohexane ring cm-1 C-I diluted using Milli Q water as a solvent to the desired convibrati”

  Marimuthu 等 - 2013 - Eco-friendly microbial route to synthesize cobalt DOI: 10.1007/s00436-013-3601-2
• Acetate 信頼度 1.0

  “The peak at around 533.5eV groups.[25] to further explain the influence of FePP on high temperature can be attributed to -Oin C-O-C, C-O-P, or C-OH”

  Synergistic effects of ferric pyrophosphate (FePP) in intumescent flameretardant polypropylene DOI: 10.1002/pat.1590
• C-O single bond 信頼度 1.0

  “As is also seen from Figure 3e,f, the intensity decrease in the peak at 533.6 eV related to C-OH means the existence of intramolecular or intermolecular dehydration reactions, which happen more”

  Porous Structure of -Cyclodextrin for CO2 Capture: Structural Remodeling by Thermal Activation DOI: 10.3390/molecules27217375
• 信頼度 1.0

  “The relatedtotheZneObond.Thepeak at534.07eVisassociatedwith decrease in absorbance peak intensityalso indicates the stabilityof loosely bonded oxygen atoms such as the hydroxy group on the the BTA molecule after loading [33].”

  Effect of the modified hybrid particle on the corrosion inhibition performance of polyolefin based coatings for carbon steel DOI: 10.1016/j.jsamd.2022.100466
• 信頼度 1.0

  “Two bands, at 534 (-17) and 440 s cm-1, c (-13) are assigned to ν(Fe-NO) and δ(Fe-NO) modes, respectively, even though r”

  Hayashi 等 - 2009 - Accommodation of Two Diatomic Molecules in Cytochr DOI: 10.1021/bi801915r.
• N-O bond 信頼度 1.0

  “peaks in PAO at 533.9, 401.9, and 283.7 eV were related to -CN-O.”

  Huang 等 - 2021 - High Selective Isomerization of Glucose to Fructos DOI: 10.1021/acsomega.1c02577
• Metal oxygen 信頼度 1.0

  “M-O-M The peak at 533.70 eV corresponds to the bond, at 713.06 and 725.55 eV are called satellite peaks for Fe 2p 3/2 Fe+3”

  Iqbal 等 - 2023 - Reduced Graphene Oxide-Modified Spinel Cobalt Ferr DOI: 10.1021/acsomega.2c06636
• Acetate 信頼度 1.0

  “Even though UV-irradiated TNW caused the most prominent chemical changes (c and d in Figure S8), we noted some similarities in the spectra of TNW samples under dark and UV light: (i) increase in the P 2p peak at 134.5 eV and O 1 s peak at 5”

  Thorn-like TiO2 nanoarrays with broad spectrum antimicrobial activity through physical puncture and photocatalytic action DOI: 10.1038/s41598-019-50116-0