What absorbs at 1473 cm⁻¹ in an FTIR spectrum?

クイックアンサー

A band near 1473 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。

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 1473 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

• 信頼度 1.0

  “1473cm-1 represents vibrations of the oxygen octahedra with 1623cm-1 Transmittance(arb.”

  Ghosh 等 - 2013 - Vibrational Modes And Electronic Structure Of Sr2G DOI: 10.1063/1.4791287
• Alkyl C-H 信頼度 1.0

  “sym(C-H) 3-N+.26 chain25 and of CH methylene (cid:238) In the surfactant mixture (Figure 2a, dashed line), the cm-1 are attributed to peaks (doublet) at 1473 and 1465 2scissoringmodeandaccountforaparallelpacking theCH of the trans methylene”

  Nikoobakht 和 El-Sayed - 2001 - Evidence for bilayer assembly of cationic surfacta DOI: 10.1021/la010530o
• Amide 信頼度 1.0

  “obtainedat1462cm(cid:1)1[Fig.3(b)]andatthesecondofthestrong wavenumber of the Amide II band and which has been loosely Access cm(cid:1)1 b-sheets.5 paraffin signicant attributed to peaks, 1473 [Fig.”

  Al Jedani 等 - 2020 - A de-waxing methodology for scanning probe microsc DOI: 10.1039/d0ay00965b
• 信頼度 1.0

  “cm1 cm1 (alone) appeared at 3358 (stretching of N-H bond), 3087 and 3094 (stretching of C-H and O-H cm1 bonds), 1772 and 1662 (stretching of C = C, C = O and C = N bonds and bending of N-H bond) and cm1 1473 and 1364 (stretching and bending”

  Ali 等 - 2023 - Nitazoxanide and azithromycin for the early treatm DOI: 10.21203/rs.3.rs-1745239/v1
• Alkene (C=C) 信頼度 1.0

  “The two medium bands at 1539 cm-1 were assigned to the pyridine skeletal stretching -2.7 formation of the desired product are the broad signal to ppm associated with the NH and two medium bands at 1539 cm-1 and 1473 cm-1 correspond to C=C a”

  Synthesis of a New Co Metal–Organic Framework Assembled from 5,10,15,20-Tetrakis((pyridin-4-yl) phenyl)porphyrin “Co-MTPhPyP” and Its Application to the Removal of Heavy Metal Ions DOI: 10.3390/molecules28041816
• Amide 信頼度 1.0

  “C=O pyranose ring (2892 stretching, NH-Ac (1644 and C-N stretching (1473 HA showed cm-1);”

  Dual-responsive (pH/temperature) Pluronic F-127 hydrogel drug delivery system for textile-based transdermal therapy DOI: 10.1038/s41598-019-48254-6
• Phosphate (PO4) 信頼度 1.0

  “(cm-1 PZ-HEMA-1 : 6 ) were 2947 (CH2), 1720 (C=O), 1635 istic IR bands PZ-HEMA-LA (C=C), 1473 (CO-O), 1033 (P-O-C), 1168 (phosphazene 31 1 (𝛿 P-NMR peaks: 1.5 = ppm);”

  Martinez Ceballos 等 - 2013 - Synthesis and Characterization of Polyphosphazenes DOI: 10.1155/2013/645869
• Alkyl C-H 信頼度 1.0

  “- 1 overlap with the spectrum of paraffin wax, as highlighted by the presence of bands at 2915 and 2848 cm (CH - 1 - 1 - 1 stretching), 1473 cm (CH bending), 1380 cm (CH bending), 728 and 719 cm (CH rocking) [24-26].”

  Pianorsi 等 - 2017 - Organogels for the cleaning of artifacts DOI: 10.1515/pac-2016-0908