What absorbs at 412 cm⁻¹ in an FTIR spectrum?

빠른 답변

A band near 412 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 412 cm⁻¹ is usually not enough for material identification by itself.

실제 사용

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일반적인 실수

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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

• 신뢰도 1.0

  “3 60,687 = = 412 3430 Weak deformation vibration O S O 411 62,778 1 59,348”

  A case study of poly (aryl ether sulfone) hemodialysis membrane interactions with human blood: Molecular dynamics simulation and experimental analyses DOI: 10.1016/j.cmpb.2020.105742
• Amide 신뢰도 1.0

  “(2) disappears in had new absorption peaks at 1,640 cm-1 1,412cm-1, 1,556 and corresponding to amide I peak (1,652 cm-1),”

  Khodaei 等 - 2018 - Covalent Immobilization of Protein A on Chitosan a DOI: 10.1093/chromsci/bmy070
• 신뢰도 1.0

  “For pastes with a 3:7 proportion (Fig 9a), 412 this band disappeared, which represents a complete consumption of the calcium 413”

  Moraes 等 - 2019 - Production of bamboo leaf ash by auto-combustion f DOI: 10.1016/j.conbuildmat.2019.03.007
• Hydrogen bond 신뢰도 1.0

  “M412 deprotonated retinylidene SB such as seen for the BR 3 Depending on the strength of the hydrogen bonding, bands M412 transition, where the SB of is deprotonated (27).”

  Proton Transfers in a Channelrhodopsin-1 Studied by Fourier Transform Infrared (FTIR) Difference Spectroscopy and Site-directed Mutagenesis* DOI: 10.1358/dot.2011.47.1.1543306
• Alkyl C-H 신뢰도 1.0

  “The and compared in the pure oil and in the deuterated fatty 349 412 cm-1 CC-H olefinic different peak from unsaturated lipids at 3008 tissues.”

  Rejasse 等 - 2022 - Plastic biodegradation Do Galleria mellonella Lar DOI: 10.1021/acs.est.1c03417
• C=n 신뢰도 1.0

  “This indicated that the homogeneous complex had been prepared could be due to υ(C=N) and υ(C-O), and the bands at about 605 and 412 cm-1 were associated with successfully.”

  Base-Free Selective Oxidation of Glycerol over LDH Hosted Transition Metal Complexes Using 3% H2O2 as Oxidant DOI: 10.3390/catal6070101
• Metal oxygen 신뢰도 0.9

  “Assigned to transverse optical stretching mode of ZnO.”

  Kuthirummal 等 - 2016 - Synthesis and characterization of Ar-annealed zinc DOI: 10.1063/1.4964316
• Metal oxygen 신뢰도 0.9

  “Explicit assignment: 'absorption bands at 419 and 412 attributed to the Zn-O stretching vibration mode'”

  Gum Arabic As Natural Stabilizing Agent In Green Synthesis Of ZnO Nanofluids For Antibacterial Application DOI: 10.1016/j.jece.2019.103331