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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Library spectrum will appear here.

Infrared spectrum comparison chart. Analysis result: 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

Library spectrum Interactive sample curve Move the pointer to show the vertical guide line.

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

The leading library name is 2,6-Dimethylpiperazine, which is a nitrogen-containing organic compound.
Multiple high-wavenumber absorptions are consistent with hydrogen-bonding or X-H stretching from amine-like and/or hydroxyl-containing functionality.
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

Key evidence

資料庫主要匹配

2,6-Dimethylpiperazine #51 | match 0.0%

材料方向

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.

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.
The leading library name is 2,6-Dimethylpiperazine, which is a nitrogen-containing organic compound.
Multiple high-wavenumber absorptions are consistent with hydrogen-bonding or X-H stretching from amine-like and/or hydroxyl-containing functionality.
Bands at 2924 and 2957 cm-1 support aliphatic hydrocarbon content.
The strong set of absorptions between about 1680 and 1795 cm-1 supports significant carbonyl-containing chemistry in the sample.
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.
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.
Aliphatic C-H stretching is supported by bands at 2924 and 2957 cm-1.
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.
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.
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:

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

FTIR Spectrum Analysis Report

Similarity-ranked Top-15 library comparison

Reference library candidates

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

Key evidence

Evidence supporting the conclusion

Evidence that limits the conclusion

Suggested next verification

Detected peaks and interpretation

Sample information and raw spectrum

評論和後續證據

線上支援

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

Similarity-ranked Top-15 library comparison

Reference library candidates

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

Key evidence

Evidence supporting the conclusion

Evidence that limits the conclusion

Suggested next verification

Detected peaks and interpretation

Sample information and raw spectrum

評論和後續證據

此類別中的其他分析

線上支援

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