What absorbs at 517 cm⁻¹ in an FTIR spectrum?

빠른 답변

A band near 517 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 517 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

  “9 b, it can be 2 cm-1 seen a bare TiO displays abroad bandbelow 517 due to 2 the vibration of Ti-O-Ti bonds in TiO (Djellabi et al.”

  New composite material based on Kaolinite, cement, TiO2 for efficient removal of phenol by photocatalysis DOI: 10.1007/s11356-021-13150-y
• Metal oxygen 신뢰도 1.0

  “The absorption band at 517 cm-1 vibration of Zn-O bonds and confirms the formation of materials [44].”

  Innovative Investigation of Zinc Oxide Nanoparticles Used in Dentistry DOI: 10.3390/cryst12081063
• Acetate 신뢰도 1.0

  “646.78 CS stretching - 1384.21 Asymmetric COC stretching of lignin 517.10 - Out of plane bending of OH C-O stretching of acetyl group in lignin and hemicel- -”

  Biodegradable Green Composites: Effects of Potassium Permanganate (KMnO4) Treatment on Thermal, Mechanical, and Morphological Behavior of Butea Parviflora (BP) Fibers DOI: 10.3390/polym15092197
• 신뢰도 1.0

  “below new bands appeared at 517 and 303cm-1, The bond distances of the complex obtained in this work assigned to the Zn-N stretching, and at 317 and”

  Cordeiro 等 - 2019 - A Novel Zn-II Complex Bearing Two Monodentate (4-M DOI: 10.1155/2019/7876495
• Silicon (Si) 신뢰도 1.0

  “peaks at 797, 779 and 693 For the same samples, the sharp band at 456 and cm-1-this the peak at 517 last one observed only in PK11552-can be ascribed to Si-O bending vibrations [31].”

  Assessment of Easily Accessible Spectroscopic Techniques Coupled with Multivariate Analysis for the Qualitative Characterization and Differentiation of Earth Pigments of Various Provenance DOI: 10.3390/min12060755
• 신뢰도 1.0

  “The presence of tetrahedral titanium in the TiO2/Al-ZSM-12 sample, which forms SiO-Ti bonds, is confirmed by bands with maxima at 517 cm-1 (Raman, Figure 4b) [42,43] and 953 cm-1 (DRIFTS, Figure 4d) [44,45].”

  Synthesis and Investigation of Zeolite TiO2/Al-ZSM-12 Structure and Properties DOI: 10.3390/catal13020216
• Metal carbon 신뢰도 0.9

  “Explicit assignment for R”

  Ashfaq 等 - 2016 - SYNTHESIS AND BIOLOGICAL ACTIVITY OF NEW SERIES OF DOI: 10.5935/0100-4042.20150171
• Sulfur 신뢰도 0.8

  “Bands due to s(C=O).”

  Hyperoxaluria is related to whewellite and hypercalciuria to weddellite: What happens when crystalline conversion occurs? DOI: 10.1016/j.crci.2015.12.011