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halogenated organic material with strong C-F/C-O region absorption

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結果編號: 20241115102352770825992 擁有者: Admin 評論: 0
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FTIR ANALYSIS REPORT

FTIR Spectrum Analysis Report

No.: 20241115102352770825992 Date: 2024-11-15 02:25:02 Reported by: FTIR.fun Contact: [email protected]

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Top15

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Top 15 candidates

Reference library candidates

Rank Match % Compound Name Formula / SMILES Library preview Action
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Based on the library matches and evidence above.

Conclusion

halogenated organic material with strong C-F/C-O region absorption

General assessment
-
#69751 Initial rank 1 Current rank 1 Library lead match 0.0%
Conclusion
  1. The sample shows repeated characteristic absorption bands at 1089, 1151, 1175, 1194, 1209, and 1266 cm-1.
  2. The reference library comparison repeatedly surfaces halogen-containing compounds among leading candidates, including brominated, chlorinated, and fluorinated molecules.
  3. Poly(tetrafluoroethylene), pentafluorinated, trifluorinated, and other fluorinated candidates in the top-15 are consistent with strong absorption in this spectral region.
Main limitation

The formal top library match, 1,2,4,5-Tetrakis(bromomethyl)benzene, has a similarity score of 0.000 and is therefore not directly supported as the sample identity.

Evidence & interpretation
Evidence

Key evidence

資料庫主要匹配
1,2,4,5-Tetrakis(bromomethyl)benzene #69751 | match 0.0%
材料方向
halogenated organic material with strong C-F/C-O region absorption The FTIR search does not support a reliable compound-level identification for this sample. The nearest library hit is 1,2,4,5-Tetrakis(bromomethyl)benzene, but all reported library similarities are 0.000, so that name should be treated only as the formal top library entry rather than a confirmed assignment. The measured spectrum is defined here mainly by a tight cluster of strong bands at 1089, 1151, 1175, 1194, 1209, and 1266 cm-1, which is more consistent with a broad halogenated organic material showing strong absorption in the C-F/C-O fingerprint region than with a specific bromomethyl aromatic structure. Because direct reference and related-literature support are unavailable, the most chemically supportable conclusion is a broad material direction rather than an entity claim.
Support

Evidence supporting the conclusion

Only sample-relevant statements that support the present conclusion are shown here.

  1. The FTIR search does not support a reliable compound-level identification for this sample. The nearest library hit is 1,2,4,5-Tetrakis(bromomethyl)benzene, but all reported library similarities are 0.000, so that name should be treated only as the formal top library entry rather than a confirmed assignment. The measured spectrum is defined here mainly by a tight cluster of strong bands at 1089, 1151, 1175, 1194, 1209, and 1266 cm-1, which is more consistent with a broad halogenated organic material showing strong absorption in the C-F/C-O fingerprint region than with a specific bromomethyl aromatic structure. Because direct reference and related-literature support are unavailable, the most chemically supportable conclusion is a broad material direction rather than an entity claim.
  2. The sample shows repeated characteristic absorption bands at 1089, 1151, 1175, 1194, 1209, and 1266 cm-1.
  3. The reference library comparison repeatedly surfaces halogen-containing compounds among leading candidates, including brominated, chlorinated, and fluorinated molecules.
  4. Poly(tetrafluoroethylene), pentafluorinated, trifluorinated, and other fluorinated candidates in the top-15 are consistent with strong absorption in this spectral region.
  5. The absence of any positive, nonzero library match makes broad common chemistry more credible than the nominal top compound name.
  6. The observed spectrum is concentrated in the 1089-1266 cm-1 fingerprint region, with multiple closely spaced characteristic bands.
  7. Such band clustering is commonly compatible with strong single-bond stretching in heavily substituted organic materials, especially C-F-rich or C-O-containing systems.
  8. The top-15 library pattern includes several halogenated candidates, including fluorinated, brominated, chlorinated, and perfluorinated entries, which supports a general halogenated-organic direction.
  9. That same top-15 set is chemically inconsistent at the specific compound level, spanning bromomethyl benzenes, fluorinated amines, acetate-containing compounds, PTFE, and nitro/chloro aromatics.
Limitations

Evidence that limits the conclusion

  • The formal top library match, 1,2,4,5-Tetrakis(bromomethyl)benzene, has a similarity score of 0.000 and is therefore not directly supported as the sample identity.
  • The library consensus label of chlorine / nitrogen heterocycle is not securely supported by the reported sample peaks alone.
  • No characteristic evidence is provided here for aromatic C-H, carbonyl, N-H, or other required groups that would justify a narrower assignment to bromomethyl aromatic, acetate, amine, or nitrogen-heterocycle candidates.
  • The top-ranked candidates are chemically diverse, which limits confidence in any single structural interpretation.
  • The current evidence does not distinguish whether the dominant 1089-1266 cm-1 bands arise mainly from C-F stretching, C-O stretching, or overlapping fingerprint absorptions from a mixed organic formulation.
  • Halogen type cannot be assigned confidently from the present data alone; bromine-, chlorine-, and fluorine-containing candidates all appear in the search results.
  • Without corroborating bands outside the reported region, the sample cannot be narrowed confidently to a specific molecule or polymer.
Recommendation

Suggested next verification

  • Recollect the full FTIR spectrum over a wider range and evaluate whether there are characteristic bands for aromatic C-H, carbonyl, N-H, or aliphatic C-H stretching that could narrow the assignment.
  • Inspect the low-wavenumber region for halogen-related fingerprint features that may help distinguish fluorinated from brominated or chlorinated materials.
  • If fluorinated material is suspected, compare directly against reference spectra for PTFE and other fluorinated organics showing strong 1100-1300 cm-1 absorption.
  • Use an elemental method such as XRF, EDS, or combustion/ion analysis to determine whether F, Cl, or Br is present before attempting a more specific library assignment.
Peak analysis

Detected peaks and interpretation

★ = Literature-supported peak assignment.

Index Characteristic Wavenumber Absorbance Evidence One-line interpretation Citation Confidence
1 · 1209 1.00 - - - -
2 · 1151 0.50 - - - -
3 · 1194 0.29 - - - -
4 · 1175 0.24 - - - -
5 · 1266 0.14 - - - -
6 · 1089 0.10 - - - -
Appendix

Sample information and raw spectrum

Original uploaded spectrum for reference and verification.

Baseline correction was cancelled by the user.

The wavelength range for analysis(cm-1): [(650, 4000)]

Raw spectrum without baseline correction or other processing:

Sample spectrum image
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