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nitrogen-containing organic material with amine-like and carbonyl-containing spectral features

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Номер на резултат: 20250620165532462434828 Собственик: publicuser Коментари: 0
  • Translating report into български. English is shown for now.
FTIR ANALYSIS REPORT

FTIR Spectrum Analysis Report

No.: 20250620165532462434828 Date: 2025-06-20 16:00:28 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

nitrogen-containing organic material with amine-like and carbonyl-containing spectral features

General assessment
-
#51 Initial rank 1 Current rank 1 Library lead match 0.0%
Conclusion
  1. The leading library name is 2,6-Dimethylpiperazine, which is a nitrogen-containing organic compound.
  2. Multiple high-wavenumber absorptions are consistent with hydrogen-bonding or X-H stretching from amine-like and/or hydroxyl-containing functionality.
  3. Bands at 2924 and 2957 cm-1 support aliphatic hydrocarbon content.
Main limitation

2,6-Dimethylpiperazine itself would not explain the prominent and numerous carbonyl-region absorptions because it contains no carbonyl group.

Evidence & interpretation
Evidence

Key evidence

Съвпадение по библиотечен водещ
2,6-Dimethylpiperazine #51 | match 0.0%
Посока на материала
nitrogen-containing organic material with amine-like and carbonyl-containing spectral features The current FTIR result does not support a firm compound-level identification. Although the nearest library entry is 2,6-Dimethylpiperazine, the library match quality is effectively absent and the broader evidence does not securely support that specific structure. The spectrum instead more cautiously indicates a nitrogen-containing organic material showing multiple amine-like high-wavenumber absorptions together with strong carbonyl-region bands and aliphatic C-H stretching, so the safest conclusion is a broader amine- and carbonyl-containing organic direction rather than a specific named substance.
Support

Evidence supporting the conclusion

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

  1. The current FTIR result does not support a firm compound-level identification. Although the nearest library entry is 2,6-Dimethylpiperazine, the library match quality is effectively absent and the broader evidence does not securely support that specific structure. The spectrum instead more cautiously indicates a nitrogen-containing organic material showing multiple amine-like high-wavenumber absorptions together with strong carbonyl-region bands and aliphatic C-H stretching, so the safest conclusion is a broader amine- and carbonyl-containing organic direction rather than a specific named substance.
  2. The leading library name is 2,6-Dimethylpiperazine, which is a nitrogen-containing organic compound.
  3. Multiple high-wavenumber absorptions are consistent with hydrogen-bonding or X-H stretching from amine-like and/or hydroxyl-containing functionality.
  4. Bands at 2924 and 2957 cm-1 support aliphatic hydrocarbon content.
  5. The strong set of absorptions between about 1680 and 1795 cm-1 supports significant carbonyl-containing chemistry in the sample.
  6. The library search retained 2,6-Dimethylpiperazine as the nominal top hit, but all reported similarities are 0.000, indicating no meaningful spectral agreement across the candidate list.
  7. The sample shows a cluster of bands in the 3197-3881 cm-1 region, including multiple features near 3331, 3356, 3383, and 3421 cm-1, which is at least compatible with N-H and/or O-H stretching contributions.
  8. Aliphatic C-H stretching is supported by bands at 2924 and 2957 cm-1.
  9. A dense carbonyl-region pattern is present from about 1671 to 1793 cm-1, including peaks at 1683, 1698, 1716, 1733, 1747, 1771, and 1793 cm-1, indicating one or more strong C=O-containing components or overlapping carbonyl environments.
  10. Mid-region bands at 1260, 1317, 1338, 1361, 1373, 1396, 1419, 1433, 1457, 1473, 1488, 1508, 1521, 1540, and 1557 cm-1 support a functionally substituted organic material but do not uniquely define a single compound.
  11. The Top-15 library list is chemically heterogeneous, spanning amines, aromatic nitro/chloro compounds, polyhydroxylated chlorinated material, ketones, alcohols, silanes, hydrocarbons, esters, and an acrylic polymer, so there is no coherent library consensus narrow enough for a reliable entity assignment.
Limitations

Evidence that limits the conclusion

  • 2,6-Dimethylpiperazine itself would not explain the prominent and numerous carbonyl-region absorptions because it contains no carbonyl group.
  • All listed library similarities are 0.000, so the retrieval does not provide positive spectral confirmation of any candidate.
  • The candidate list lacks a consistent shared chemistry pattern that would justify a specific class assignment beyond a broad nitrogen-containing organic material.
  • The high-wavenumber band cluster could reflect N-H, O-H, adsorbed moisture, or overlapping contributions rather than a single well-defined functional group.
  • The many carbonyl-region peaks may indicate a mixture, degradation products, residual additives, or instrumental/processing artifacts rather than one pure compound.
  • Without corroborating reference spectra or orthogonal analytical data, it remains unclear whether the sample is a discrete small molecule, a formulated material, or a multi-component residue.
Recommendation

Suggested next verification

  • Re-acquire the FTIR spectrum after careful background collection and sample drying to determine whether the extensive 3200-3900 cm-1 structure is intrinsic or moisture-related.
  • Inspect the original spectrum for band shapes and relative intensities in the 1680-1800 cm-1 region to determine whether the sample contains one carbonyl type or multiple overlapping carbonyl species.
  • Compare the sample against reference spectra for amine-containing carbonyl compounds relevant to the sample history, rather than relying on the present top library hit alone.
  • If available, use GC-MS or LC-MS for a small-molecule sample, or complementary Raman/ATR repeat analysis for a solid residue, to test whether the material is a mixture and to verify the presence of amine-containing components.
Peak analysis

Detected peaks and interpretation

★ = Literature-supported peak assignment.

Index Characteristic Wavenumber Absorbance Evidence One-line interpretation Citation Confidence
1 · 3748 1.00 - - - -
2 · 669 0.94 - - - -
3 · 683 0.86 - - - -
4 · 3733 0.73 - - - -
5 · 1540 0.73 - - - -
6 · 3673 0.71 - - - -
7 · 3853 0.69 - - - -
8 · 1521 0.68 - - - -
9 · 3648 0.66 - - - -
10 · 1508 0.64 - - - -
11 · 1698 0.64 - - - -
12 · 3837 0.63 - - - -
13 · 1557 0.63 - - - -
14 · 1649 0.63 - - - -
15 · 3629 0.62 - - - -
16 · 3710 0.61 - - - -
17 · 3614 0.61 - - - -
18 · 3801 0.60 - - - -
19 · 3819 0.59 - - - -
20 · 1716 0.57 - - - -
21 · 1683 0.57 - - - -
22 · 1733 0.56 - - - -
23 · 1747 0.55 - - - -
24 · 3867 0.54 - - - -
25 · 3565 0.51 - - - -
26 · 1457 0.50 - - - -
27 · 3689 0.48 - - - -
28 · 1671 0.48 - - - -
29 · 3595 0.46 - - - -
30 · 1473 0.45 - - - -
31 · 1771 0.44 - - - -
32 · 1636 0.44 - - - -
33 · 1488 0.43 - - - -
34 · 921 0.41 - - - -
35 · 1396 0.40 - - - -
36 · 1793 0.40 - - - -
37 · 1419 0.39 - - - -
38 · 1620 0.39 - - - -
39 · 2924 0.38 - - - -
40 · 3526 0.38 - - - -
41 · 2957 0.38 - - - -
42 · 1867 0.37 - - - -
43 · 1844 0.37 - - - -
44 · 1433 0.36 - - - -
45 · 1828 0.36 - - - -
46 · 3881 0.35 - - - -
47 · 1338 0.34 - - - -
48 · 3548 0.34 - - - -
49 · 1373 0.33 - - - -
50 · 1361 0.33 - - - -
51 · 3445 0.33 - - - -
52 · 3506 0.33 - - - -
53 · 3197 0.33 - - - -
54 · 1260 0.32 - - - -
55 · 1014 0.32 - - - -
56 · 1022 0.32 - - - -
57 · 1029 0.32 - - - -
58 · 1920 0.32 - - - -
59 · 2065 0.31 - - - -
60 · 3421 0.31 - - - -
61 · 1317 0.31 - - - -
62 · 1991 0.31 - - - -
63 · 1943 0.30 - - - -
64 · 3331 0.30 - - - -
65 · 3383 0.29 - - - -
66 · 3356 0.29 - - - -
67 · 1890 0.29 - - - -
68 · 3781 0.29 - - - -
69 · 1966 0.29 - - - -
70 · 3482 0.28 - - - -
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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