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

빠른 답변

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.

가능한 작용기 할당

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

실제 사용

이러한 유형의 질의는 고분자 식별, 미지 플라스틱 스크리닝, QC 문제 해결, 재활용 재료 검증 및 문헌 기반 피크 할당 검토에서 일반적입니다.

일반적인 실수

• 하나의 고립된 밴드를 재료의 증거로 취급하고 최소 하나 또는 두 개의 지원 피크를 확인하지 않는 것.
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검증 조언

모호성이 남아 있는 경우, 특히 혼합물, 분해된 시료 및 충전 폴리머의 경우 DSC, GC-MS 또는 TGA로 가설을 검증하십시오.

이 할당의 배경이 되는 문헌

• Hydroxyl (O-H) 신뢰도 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 신뢰도 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 신뢰도 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
• 신뢰도 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
• 신뢰도 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 신뢰도 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 신뢰도 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 신뢰도 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