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heterocyclic carbonyl-containing organic compound with nitrogen and oxygen functionality

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結果編號: 20241029162239150534463 擁有者: publicuser 評論: 0
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FTIR ANALYSIS REPORT

FTIR Spectrum Analysis Report

No.: 20241029162239150534463 Date: 2024-10-29 15:30:46 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

heterocyclic carbonyl-containing organic compound with nitrogen and oxygen functionality

General assessment
-
#15375 Initial rank 1 Current rank 1 Library lead match 0.0%
Conclusion
  1. 1752 cm-1 supports a relatively strong carbonyl function such as ester, lactone, strained cyclic carbonyl, or acid-related carbonyl environment.
  2. 1663 cm-1 supports a second carbonyl or conjugated amide/lactam-type environment.
  3. 3541 cm-1 is consistent with O-H or N-H stretching, fitting a heteroatom-rich organic compound.
Main limitation

The Top-1 library match has zero reported similarity, so the specific named library compound is not directly supported as an identification.

Evidence & interpretation
Evidence

Key evidence

資料庫主要匹配
(2S,5R,6R)-6-[[3-(2-chlorophenyl)-5-methyl1,2-oxazole-4-carbonyl]amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid #15375 | match 0.0%
材料方向
heterocyclic carbonyl-containing organic compound with nitrogen and oxygen functionality The FTIR pattern supports a broad assignment to a heterocyclic carbonyl-containing organic compound that includes nitrogen and oxygen functionality, rather than a defensible identification of the specific Top-1 library molecule. The sample shows strong carbonyl absorption at 1752 and 1663 cm-1, C-H stretching near 2968 cm-1, a high-wavenumber band at 3541 cm-1 consistent with O-H or N-H stretching, and multiple fingerprint-region bands at 1290 and 1168 cm-1 consistent with C-O and/or C-N containing functionality. This general chemistry is compatible with the Top-15 library pattern, which repeatedly features nitrogen- and oxygen-containing heterocyclic or amide/carboxylic-acid-rich compounds, but the retrieval itself is extremely weak and no direct or related literature evidence narrows the result to the named library compound.
Support

Evidence supporting the conclusion

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

  1. 1752 cm-1 supports a relatively strong carbonyl function such as ester, lactone, strained cyclic carbonyl, or acid-related carbonyl environment.
  2. 1663 cm-1 supports a second carbonyl or conjugated amide/lactam-type environment.
  3. 3541 cm-1 is consistent with O-H or N-H stretching, fitting a heteroatom-rich organic compound.
  4. 1290 and 1168 cm-1 support oxygen- and/or nitrogen-linked single-bond functionality.
  5. The library consensus direction is nitrogen heterocycle / oxygen heterocycle, which is chemically consistent with the observed carbonyl-rich, heteroatom-containing spectrum.
  6. The sample contains two prominent carbonyl-region bands at 1752 and 1663 cm-1, supporting the presence of more than one carbonyl environment such as ester, acid, lactam, amide, or related conjugated carbonyl functionality.
  7. The 3541 cm-1 band indicates a high-frequency X-H stretch, most plausibly O-H or N-H, which is compatible with hydroxyl, carboxylic acid, amide, or related heteroatom-containing functionality.
  8. Bands at 1290 and 1168 cm-1 support C-O and/or C-N single-bond vibrations, consistent with oxygenated and nitrogen-containing organic structures.
  9. Bands at 711, 754, and 864 cm-1 indicate a structured fingerprint region compatible with ring-containing or substituted organic frameworks, but these features are not sufficient on their own to establish a specific aromatic or halogenated substitution pattern.
  10. The Top-15 library set is dominated by compounds containing multiple heteroatoms and carbonyl groups, especially nitrogen- and oxygen-containing heterocyclic or amide/carboxylate-rich structures, which supports the broadened material direction.
Limitations

Evidence that limits the conclusion

  • The Top-1 library match has zero reported similarity, so the specific named library compound is not directly supported as an identification.
  • The observed spectrum does not provide clear confirming evidence for halogen-specific assignment, so a chlorinated entity-level conclusion would be too narrow.
  • No related-literature match was recovered to validate a specific compound class beyond the broad heteroatom-rich carbonyl-containing direction.
  • The current evidence does not distinguish whether the carbonyl pattern is best described as amide plus ester, lactam plus acid, or another combination of carbonyl types.
  • The fingerprint bands are insufficiently specific here to confirm a particular heterocycle, substitution pattern, or exact molecular scaffold.
  • A broad heterocyclic nitrogen/oxygen-containing organic direction is supported, but a specific library entity is not.
Recommendation

Suggested next verification

  • Obtain a higher-quality FTIR spectrum with baseline correction and confirm the exact shapes of the 3541, 1752, and 1663 cm-1 bands; this will help separate O-H, N-H, acid, amide, ester, and lactam contributions.
  • Check for additional carbonyl-region structure between about 1800 and 1500 cm-1 at higher resolution to determine whether two distinct carbonyl functional groups are present.
  • Acquire complementary Raman, MS, or NMR data to determine whether the sample contains a defined heterocyclic small molecule rather than a more general oxygenated/nitrogenated organic material.
  • If chlorinated candidate structures remain of interest, use elemental analysis or XRF/EDS to test for chlorine before considering any chlorinated library entity.
Peak analysis

Detected peaks and interpretation

★ = Literature-supported peak assignment.

Index Characteristic Wavenumber Absorbance Evidence One-line interpretation Citation Confidence
1 · 1752 1.00 - - - -
2 · 1290 0.89 - - - -
3 · 3541 0.67 - - - -
4 · 1472 0.65 - - - -
5 · 1663 0.63 - - - -
6 · 2968 0.56 - - - -
7 · 1168 0.48 - - - -
8 · 864 0.43 - - - -
9 · 754 0.24 - - - -
10 · 711 0.21 - - - -
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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