What absorbs at 1206 cm⁻¹ in an FTIR spectrum?

빠른 답변

A band near 1206 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 1206 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

  “easily distinguish the present peak from the 1206-cm(cid:3)1 1230cm(cid:3)1 The important result here is that the broad absorption band at peak was not due to oxygen”

  Second Harmonic Vibrational Mode of Substitutional Carbon in Cast-Grown Multicrystalline Silicon DOI: 10.1143/APEX.4.051401
• Acetate 신뢰도 1.0

  “All the solutions used in NMR C-O stretching 1205.99 1214.82 1396.97 ]C-H experiment were prepared in D 2O solvent.”

  Multi-spectroscopic monitoring of molecular interactions between an amino acid-functionalized ionic liquid and potential anti-Alzheimer's drugs DOI: 10.1039/d0ra06323a
• Carbohydrate 신뢰도 1.0

  “In turn, in the spectrum of liver, a three 1280cm(cid:3)1, exhibits a specific triplet of bands at 1206, 1238, and bands characteristic for glycogen are observed at 1029, 1078 and however, we do not observe them in the spectra of the homoge”

  Rapid approach to analyze biochemical variation in rat organs by ATR FTIR spectroscopy DOI: 10.1016/j.saa.2013.09.131
• Aromatic ring 신뢰도 1.0

  “The spectra for amlodipine besylate drug (Figure 4b) show peaks at 2964.69 for C-CH stretching, at 1698.53, 3 cm(cid:1)1 cm(cid:1)1 cm(cid:1)1 1676.11 for ester C=O stretching, at 1493.92 for aromatic skeletal stretching, at 1205.55 for Sul”

  Formulation, optimization, and characterization of amlodipine besylate loaded polymeric nanoparticles DOI: 10.1177/09673911211056154
• Phosphate (PO4) 신뢰도 1.0

  “1250 Amide III (β-sheet, protein) 1235 Antisymmetric phosphate stretching 1206 C-C stretch, C-H bend”

  Growth substrate induced functional changes elucidated by FTIR and Raman spectroscopy in in-vitro cultured human keratinocytes. DOI: 10.1007/s00216-006-0876-5
• Phosphate (PO4) 신뢰도 1.0

  “∼430 prominent at and 973 cm-1 for symmetric P-O stretching (ν1), cm-1 for doubly ∼1192 Materials2022,15,2924 7of16 degenerate O-P-O bending (ν2), and 1206 cm-1 for triply degenerate asymmetric P- ∼555 ∼610 O stretching (ν3), and and cm-1 f”

  Ponnusamy 等 - 2022 - Synthesis, Structural, and Mechanical Behavior of DOI: 10.3390/ma15082924
• 신뢰도 0.9

  “Text: 'bands at 1735 and 1206 were characteristic of C=O and C-O stretching groups'.”

  Bio-plastic (P-3HB-co-3HV) from Bacillus circulans (MTCC 8167) and its biodegradation DOI: 10.1016/j.colsurfb.2011.11.011
• Aromatic ring 신뢰도 0.9

  “Explicit assignment in text.”

  Synthesis, Characterization, and Antibacterial Potential of Poly(o-anisidine)/BaSO4 Nanocomposites with Enhanced Electrical Conductivity DOI: 10.3390/pr10091878