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an inorganic carbonate-type material, possibly with additional sulfate- or fluorinated-sulfonyl-like contributions

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Số kết quả: 20250312163037386430278 Chủ sở hữu: publicuser Bình luận: 0
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FTIR ANALYSIS REPORT

FTIR Spectrum Analysis Report

No.: 20250312163037386430278 Date: 2025-03-12 11:01:55 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

an inorganic carbonate-type material, possibly with additional sulfate- or fluorinated-sulfonyl-like contributions

General assessment
-
#47816 Initial rank 1 Current rank 1 Library lead match 0.0%
Conclusion
  1. Bands near 1396, 870, and 709 cm-1 fit a carbonate-type FTIR pattern better than the mixed organic and polymer alternatives in the library list.
  2. The sample lacks broader corroborating spectral information needed to support the specific top-hit salt assignment.
  3. Top-15 library candidates repeatedly include sulfur-oxygen-rich and fluorinated entries, so sulfate- or fluorinated-sulfonyl-like chemistry remains a secondary possibility, but it is not directly established by the reported peak set.
Main limitation

A specific assignment to barium(+2) cation; trifluoromethanesulfonate is not directly supported because the retrieval confidence is low and the similarity score is effectively null.

Evidence & interpretation
Evidence

Key evidence

Kết quả khớp hàng đầu từ thư viện
barium(+2) cation; trifluoromethanesulfonate #47816 | match 0.0%
Hướng vật liệu
an inorganic carbonate-type material, possibly with additional sulfate- or fluorinated-sulfonyl-like contributions The current FTIR evidence does not support a firm assignment to the top library hit as a specific compound. The observed bands at about 709, 870, and 1396 cm-1 are more consistent with a carbonate-type inorganic material pattern than with a clean identification of barium(+2) cation; trifluoromethanesulfonate. The library result is low-confidence, all listed similarities are effectively zero, and no direct or related literature evidence narrows the sample to a specific entity. A broader carbonate-centered material direction is therefore the most chemically supportable conclusion, while allowing that sulfate- or fluorinated-sulfonyl-related features remain a weaker possibility from the library pattern alone.
Support

Evidence supporting the conclusion

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

  1. Bands near 1396, 870, and 709 cm-1 fit a carbonate-type FTIR pattern better than the mixed organic and polymer alternatives in the library list.
  2. The sample lacks broader corroborating spectral information needed to support the specific top-hit salt assignment.
  3. Top-15 library candidates repeatedly include sulfur-oxygen-rich and fluorinated entries, so sulfate- or fluorinated-sulfonyl-like chemistry remains a secondary possibility, but it is not directly established by the reported peak set.
  4. The sample shows only three reported bands, near 709, 870, and 1396 cm-1.
  5. That three-band pattern is characteristic of many carbonate-containing solids, with strong absorption near 1400 cm-1 and companion bands in the 870 and 710 cm-1 region.
  6. The top library assignment is not reliable on its own because the reported similarity is 0.000 and the Top-15 set is chemically inconsistent.
  7. The leading candidates mix trifluoromethanesulfonate salt, chlorinated polyphenyls, poly(vinylidene fluoride), and phosphate entries, which argues against a narrow compound-level conclusion from reference library comparison alone.
Limitations

Evidence that limits the conclusion

  • A specific assignment to barium(+2) cation; trifluoromethanesulfonate is not directly supported because the retrieval confidence is low and the similarity score is effectively null.
  • The observed peak set does not provide clear characteristic confirmation for CF3 groups or a full sulfonate band pattern.
  • Alternative top candidates such as chlorinated polyphenyls or poly(vinylidene fluoride) are also not convincingly supported by the limited peak set.
  • The spectrum excerpt is sparse, so key confirming regions for carbonate, sulfonate, fluorinated groups, aromatic rings, and polymer backbones cannot be evaluated.
  • Without higher-confidence reference matching or additional bands, the cation identity and any counterion or mixed-phase composition remain uncertain.
  • The current evidence cannot distinguish whether the sample is a simple carbonate salt, a carbonate-containing mixture, or a carbonate-bearing inorganic residue with additional minor components.
Recommendation

Suggested next verification

  • Reacquire the FTIR spectrum over the full mid-IR range and verify whether strong bands are present in the 1000-1300 cm-1 region that would support sulfonate or fluorinated functionality.
  • Check for carbonate confirmation by comparing the 1396, 870, and 709 cm-1 bands against a carbonate reference measured under the same conditions.
  • If barium-containing material is plausible, use elemental analysis such as XRF, EDS, or ICP to test for Ba and F/S together.
  • If the sample is a powder or residue, XRD would be especially useful to distinguish a crystalline carbonate from an organosulfonate salt or mixed inorganic phase.
Peak analysis

Detected peaks and interpretation

★ = Literature-supported peak assignment.

Index Characteristic Wavenumber Absorbance Evidence One-line interpretation Citation Confidence
1 · 1396 1.00 - - - -
2 · 870 0.95 - - - -
3 · 709 0.45 - - - -
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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