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nitrile-containing organic material

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Resultat nr.: 20250303165235906639022 Ejer: Admin Kommentarer: 1
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FTIR ANALYSIS REPORT

FTIR Spectrum Analysis Report

No.: 20250303165235906639022 Date: 2025-03-04 01:59:32 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
Reference candidates load with this Top-15 workbench.

Based on the library matches and evidence above.

Conclusion

nitrile-containing organic material

General assessment
-
#38765 Initial rank 1 Current rank 1 Library lead match 0.0%
Conclusion
  1. Library consensus notes 'nitrile / methyl' as the main recurring chemistry among leading candidates.
  2. Repeated appearance of poly(acrylonitrile:butadiene) candidates is consistent with nitrile-bearing organic materials.
  3. The top library label available for naming is prop-2-enenitrile, but this functions here only as the nearest library label, not as a secure identification.
Main limitation

All reported library similarities are 0.0, so the retrieval does not provide a strong spectral match.

Evidence & interpretation
Evidence

Key evidence

Biblioteksledende match
prop-2-enenitrile #38765 | match 0.0%
Materialeretning
nitrile-containing organic material The current FTIR evidence is too limited for a reliable compound-level assignment. The library top hit is prop-2-enenitrile, but all listed matches have zero similarity and no direct or related literature support narrows the result. The most chemically supportable conclusion is therefore a broad nitrile-containing organic material, based mainly on the weak library consensus toward nitrile features rather than on characteristic bands demonstrated in this sample.
Support

Evidence supporting the conclusion

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

  1. Library consensus notes 'nitrile / methyl' as the main recurring chemistry among leading candidates.
  2. Repeated appearance of poly(acrylonitrile:butadiene) candidates is consistent with nitrile-bearing organic materials.
  3. The top library label available for naming is prop-2-enenitrile, but this functions here only as the nearest library label, not as a secure identification.
  4. Only two sample bands are available, at 670 and 982 cm-1, which is insufficient for a secure identification of a specific material.
  5. The Top-15 library pattern shows repeated nitrile-related candidates, including prop-2-enenitrile and several poly(acrylonitrile:butadiene) entries, giving a weak directional clue toward nitrile-containing organic chemistry.
  6. The user-facing material direction is kept broader than the top library name because the retrieval confidence is low and the evidence packet contains no direct peak-based confirmation of a nitrile stretching band.
Limitations

Evidence that limits the conclusion

  • All reported library similarities are 0.0, so the retrieval does not provide a strong spectral match.
  • The sample does not show a reported characteristic nitrile stretching band in the usual ~2210-2260 cm-1 region within the present evidence packet, so a narrow nitrile assignment remains unsupported.
  • The two observed bands at 670 and 982 cm-1 are not sufficiently distinctive on their own to separate a small nitrile, a nitrile-containing polymer, or an unrelated material with coincidental low-wavenumber features.
  • Possible methyl or unsaturated hydrocarbon character suggested by some library candidates is not directly confirmed by the supplied peak list.
  • Because the available evidence is sparse and low-match, the present conclusion should be treated as a broad material direction rather than an entity identification.
Recommendation

Suggested next verification

  • Re-run or review the full FTIR spectrum, especially the 4000-1500 cm-1 region, to check for a characteristic nitrile band near 2210-2260 cm-1.
  • Inspect the 3000-2800 cm-1 region for aliphatic C-H stretching and the 1600-1640 cm-1 region for C=C-related absorption if an unsaturated nitrile is being considered.
  • If a polymeric nitrile material is suspected, compare against reference spectra for acrylonitrile-containing polymers such as nitrile rubber or polyacrylonitrile using the full spectrum rather than isolated peaks.
  • Confirm composition with a complementary method sensitive to nitrogen-containing functionality, such as Raman spectroscopy or elemental analysis, if identification of a nitrile-bearing material is important.
Peak analysis

Detected peaks and interpretation

★ = Literature-supported peak assignment.

Index Characteristic Wavenumber Absorbance Evidence One-line interpretation Citation Confidence
1 · 982 1.00 - - - -
2 · 670 0.37 - - - -
Appendix

Sample information and raw spectrum

Original uploaded spectrum for reference and verification.

Baseline correction method: Asymmetric Least Squares Smoothing

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

Raw spectrum without baseline correction or other processing:

Sample spectrum image
Diskussion

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Admin  fra : Seattle, United States
  • 4 Mar '25

This is the FTIR analysis result of a pdf file uploaded by a user with IP 39.XX.XX.205. The original image is shown below.2.png.
The sample seems more like titanium dioxide, but currently there is no standard spectrogram of carbon dioxide in the website database.

en&2
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