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RESULTATSIDA

oxygen-containing organic material with possible N-H or O-H functionality

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Resultatnr.: 20250514123505300558158 Ägare: publicuser Kommentarer: 0
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FTIR ANALYSIS REPORT

FTIR Spectrum Analysis Report

No.: 20250514123505300558158 Date: 2025-05-14 10:37:01 Reported by: FTIR.fun Contact: [email protected]

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Top15

Similarity-ranked Top-15 library comparison

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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

oxygen-containing organic material with possible N-H or O-H functionality

General assessment
-
#72054 Initial rank 1 Current rank 1 Library lead match 0.0%
Conclusion
  1. A broad band at 3337 cm⁻1 is consistent with O-H and/or N-H functionality.
  2. The 2964 cm⁻1 band supports aliphatic C-H stretching.
  3. The 1051 cm⁻1 band supports the presence of oxygen-containing bonding such as C-O in an organic material.
Main limitation

The library top hit, POLYMETHYL VINYL SILICONE RUBBER, is not convincingly supported because the similarity score is 0.000.

Evidence & interpretation
Evidence

Key evidence

Bibliotekets bästa matchning
POLYMETHYL VINYL SILICONE RUBBER #72054 | match 0.0%
Materialriktning
oxygen-containing organic material with possible N-H or O-H functionality The FTIR result does not support a firm material identification. The library top hit is POLYMETHYL VINYL SILICONE RUBBER, but all listed library similarities are 0.000, and no direct or related literature evidence independently supports that assignment. The measured bands instead support only a broad direction: an oxygen-containing organic material showing a strong band near 1051 cm⁻1 and a broad high-wavenumber absorption near 3337 cm⁻1 consistent with O-H and/or N-H functionality, together with aliphatic C-H near 2964 cm⁻1 and additional fingerprint-region bands at 1505, 1413, 1261, 862, and 802 cm⁻1. Given the weak retrieval and lack of confirming reference evidence, the most chemically supportable conclusion is a broad oxygen-containing organic material with possible N-H or O-H functionality rather than a specific named compound or polymer.
Support

Evidence supporting the conclusion

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

  1. A broad band at 3337 cm⁻1 is consistent with O-H and/or N-H functionality.
  2. The 2964 cm⁻1 band supports aliphatic C-H stretching.
  3. The 1051 cm⁻1 band supports the presence of oxygen-containing bonding such as C-O in an organic material.
  4. The library consensus direction also points broadly to nitrogen/hydrogen and oxygen chemistry, which is compatible with the 3337 cm⁻1 feature.
  5. Observed bands at 3337 and 2964 cm⁻1 indicate high-wavenumber X-H absorption plus aliphatic C-H stretching.
  6. The strong feature at 1051 cm⁻1 supports C-O and/or related oxygen-containing bonding in the sample.
  7. Bands at 1505 and 1413 cm⁻1 add fingerprint-region support for an organic framework but are not sufficient to define a unique material class.
  8. The 1261, 862, and 802 cm⁻1 bands could fit several different oxygen-containing organic structures, so they do not safely narrow the result to the library top hit.
  9. The Top-15 library pattern is chemically inconsistent and low quality, with many unrelated oxygen-rich compounds and all similarity scores at 0.000.
Limitations

Evidence that limits the conclusion

  • The library top hit, POLYMETHYL VINYL SILICONE RUBBER, is not convincingly supported because the similarity score is 0.000.
  • No related-literature evidence was recovered to connect the observed peak set to a specific known material.
  • The Top-15 candidates are highly heterogeneous, which limits confidence in any narrow interpretation from retrieval alone.
  • The 3337 cm⁻1 band could arise from O-H, N-H, or moisture contribution, and the current evidence does not distinguish these securely.
  • The fingerprint-region peaks are too limited to separate among alcohol-, ether-, amine-, or other oxygen-containing organic materials.
  • A specific polymer, additive, or small-molecule identity cannot be established from the present FTIR evidence packet.
Recommendation

Suggested next verification

  • Repeat the FTIR measurement after careful drying or purge control to test whether the 3337 cm⁻1 band is intrinsic or due to adsorbed moisture.
  • Inspect the full 1200-700 cm⁻1 region at higher quality to determine whether the 1051, 862, and 802 cm⁻1 bands form a reproducible pattern.
  • Check for complementary evidence from Raman or GC-MS/LC-MS if a specific organic component assignment is needed.
  • If a polymeric material is suspected, compare the spectrum directly against authenticated reference spectra of the suspected material rather than relying on the current low-match reference library comparison.
Peak analysis

Detected peaks and interpretation

★ = Literature-supported peak assignment.

Index Characteristic Wavenumber Absorbance Evidence One-line interpretation Citation Confidence
1 · 1051 1.00 - - - -
2 · 1413 0.65 - - - -
3 · 1505 0.61 - - - -
4 · 802 0.59 - - - -
5 · 862 0.47 - - - -
6 · 1261 0.44 - - - -
7 · 3337 0.27 - - - -
8 · 2964 0.16 - - - -
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
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