What absorbs at 1211 cm⁻¹ in an FTIR spectrum?

빠른 답변

A band near 1211 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.

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가능한 재료

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스펙트럼 로직

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 1211 cm⁻¹ is usually not enough for material identification by itself.

실제 사용

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검증 조언

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이 할당의 배경이 되는 문헌

• Amide 신뢰도 1.0

  “The free scavenging effect of crude cm-1 vs at 1211.30 shows C-N stretching and peak extract synthesized AuNPs is shown in the Table”

  Bawazeer 等 - 2021 - Synthesis, Characterization and Bioactivity Profil DOI: 10.22207/JPAM.15.2.11
• Water (H2O) 신뢰도 1.0

  “Two discrete populations of supramolecular structures were evident from the infrared spectroscopy: water-rich cm-1) structures, predominant below a PG volume fraction (f PG) of 0.4 (unmoving water bending vibration at 1211 and PG-rich C-H s”

  Benaouda 等 - 2012 - Discriminating the Molecular Identity and Function DOI: 10.1021/mp300127f
• Alkyl C-H 신뢰도 1.0

  “CH bending aldehyde cm-1 1069 S=O stetching sulfoxide S=O stetching sulfoxide cm-1 1211 C-O stretching vinyl ether”

  Leemarose 等 - 2021 - Sustainable Synthesis of Gold Nanoparticles and it DOI: 10.13005/ojc/370216
• 신뢰도 1.0

  “SEM cm-1, CQ displayed N-H stretch at 3300 C-N stretch at cm-1, cm-1, C=C aromatic stretch at 1612 and C-Cl 1211 cm-1 peaks between 600 and 800 (Fig.”

  Owonubi 等 - 2018 - Characterization and in vitro release kinetics of DOI: 10.1007/s40090-018-0139-2
• Acetate 신뢰도 1.0

  “cm-1 1506 (C=C aromatic skeletal stretching vibration), 1453 (C-H deformation), cm-1 cm-1 cm-1 1420 (C-H deformation (aromatic ring)), 1260 (C-O stretching), 1211 (Ccm-1 cm-1 C, C-O and C=O stretching), 1154 (C-O-C vibrations), and 1021 (C-”

  Altuntas 等 - 2017 - Biodegradation Properties of Wood-plastic Composit DOI: 10.1002/app.24358
• Acetate 신뢰도 1.0

  “The principal peaks found after KK transformation cm-1) correspond to the signals of acetate (1736, 1365 and 1211 and nitrate (1635, 1273 and roughly correspond to the signals of acetate (1736, 1365 and 1211 cm-1) and nitrate (1635, cm-1) 8”

  Advantages of External Reflection and Transflection over ATR in the Rapid Material Characterization of Negatives and Films via FTIR Spectroscopy DOI: 10.3390/polym14040808
• C-O single bond 신뢰도 1.0

  “Additionally, in the finger print region, below cm-1, cm-1 1700 other vibration bands of C-O bonds at 1211 and of C=C at 1579 in the SA spectra are shifted to higher wavenumbers in the eutectic mixtures, showing participation”

  Georgescu 等 - 2021 - Thermal Behavior of the Nimesulide-Salicylic Acid DOI: 10.3390/ma14247715
• Water (H2O) 신뢰도 1.0

  “Effect of additive content Generally, the IR absorption bands at approximately cm-1 1211, 1149, 1069, 975, 854, 794, and 763 represent the characteristic spectrum of an α phase PVDF Due to the water solubility of IL, PVDF membranes precryst”

  Poly(vinylidene fluoride) (PVDF) membrane fabrication with an ionic liquid via non-solvent thermally induced phase separation (N-TIPs) DOI: 10.1007/s13201-021-01499-x