FTIR ANALYSIS REPORT

FTIR Spectrum Analysis Report

No.: 20250417141837629213870 Date: 2025-04-17 10:26:07 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: aliphatic hydrocarbon material with methyl-substituted saturated chain or ring character.

The FTIR pattern is most consistent with a largely saturated aliphatic hydrocarbon material showing methyl-containing CH stretching and bending bands, but the library match to 1,4-Dimethylcyclohexane is not strong enough to support a firm single-compound identification. The observed spectrum fits a broader hydrocarbon direction better than a specific named molecule

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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

aliphatic hydrocarbon material with methyl-substituted saturated chain or ring character

General assessment

#9446 Initial rank 1 Current rank 1 Library lead match 0.0%

Conclusion

Observed peaks at 2848, 2916, and 2949 cm-1 are characteristic of aliphatic sp3 C-H stretching.
Observed peaks at 1459 and 1374 cm-1 support CH2/CH3 deformation, consistent with methyl-substituted aliphatic material.
Leading library candidates cluster around saturated methyl-containing hydrocarbons and polyolefin-like materials.

Main limitation

The library confidence is low, with all reported similarities at 0.0, so the top hit cannot be treated as a reliable entity identification.

Evidence

Key evidence

Nangungunang tugma sa library

1,4-Dimethylcyclohexane #9446 | match 0.0%

Direksyon ng materyal

aliphatic hydrocarbon material with methyl-substituted saturated chain or ring character The FTIR pattern is most consistent with a largely saturated aliphatic hydrocarbon material showing methyl-containing CH stretching and bending bands, but the library match to 1,4-Dimethylcyclohexane is not strong enough to support a firm single-compound identification. The observed spectrum fits a broader hydrocarbon direction better than a specific named molecule.

Support

Evidence supporting the conclusion

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

The FTIR pattern is most consistent with a largely saturated aliphatic hydrocarbon material showing methyl-containing CH stretching and bending bands, but the library match to 1,4-Dimethylcyclohexane is not strong enough to support a firm single-compound identification. The observed spectrum fits a broader hydrocarbon direction better than a specific named molecule.
Observed peaks at 2848, 2916, and 2949 cm-1 are characteristic of aliphatic sp3 C-H stretching.
Observed peaks at 1459 and 1374 cm-1 support CH2/CH3 deformation, consistent with methyl-substituted aliphatic material.
Leading library candidates cluster around saturated methyl-containing hydrocarbons and polyolefin-like materials.
The sample shows strong aliphatic C-H stretching at 2848, 2916, and 2949 cm-1 together with methyl/methylene deformation bands at 1459 and 1374 cm-1, which supports a saturated hydrocarbon backbone containing methyl groups.
Bands at 718, 840, 972, and 998 cm-1 indicate fingerprint-region structure within an aliphatic material, but by themselves they are not sufficiently distinctive to confirm the retrieved small cycloalkane specifically.
The Top-15 library pattern is dominated by hydrocarbon-like candidates such as dimethylcyclohexane isomers, polypropylene/ethylene-propylene materials, and poly(1-butene), which collectively supports a methyl-rich saturated hydrocarbon direction.

Limitations

Evidence that limits the conclusion

The library confidence is low, with all reported similarities at 0.0, so the top hit cannot be treated as a reliable entity identification.
The retrieved feature list includes heteroatom-related clues such as oxygen, carbonyl, chlorine, bromine, and sulfur-associated terms, but these are not convincingly supported by the observed peak set.
The spectrum does not show clear confirming bands that would securely distinguish a specific small cycloalkane from a polyolefin or other saturated hydrocarbon material.
It remains uncertain whether the sample is a discrete cycloalkane-like compound or a hydrocarbon polymer/polyolefin-type material.
Fingerprint bands in the 700-1200 cm-1 region are present but insufficiently specific here for a narrow assignment.
Without corroborating reference or literature matches, the current evidence supports only a broad aliphatic hydrocarbon direction.

Recommendation

Suggested next verification

Compare the spectrum directly against authenticated reference spectra for 1,4-dimethylcyclohexane, polypropylene, ethylene-propylene rubber, and poly(1-butene).
Inspect the sample with Raman spectroscopy or GC-MS if it is extractable/volatile, to distinguish a small hydrocarbon from a polyolefin material.
Reacquire the FTIR spectrum with improved baseline and full fingerprint-region quality, paying close attention to the 700-1200 cm-1 region for more specific pattern matching.
If the sample is solid, thermal analysis such as DSC can help test whether it behaves like a polyolefin rather than a low-molecular-weight hydrocarbon.

Peak analysis

Detected peaks and interpretation

★ = Literature-supported peak assignment.

Index	Characteristic	Wavenumber	Absorbance	Evidence	One-line interpretation	Citation	Confidence
1	·	2916	1.00	-	-	-	-
2	·	1374	0.59	-	-	-	-
3	·	2949	0.57	-	-	-	-
4	·	2848	0.44	-	-	-	-
5	·	1459	0.43	-	-	-	-
6	·	998	0.23	-	-	-	-
7	·	1031	0.22	-	-	-	-
8	·	1100	0.18	-	-	-	-
9	·	972	0.17	-	-	-	-
10	·	1166	0.14	-	-	-	-
11	·	718	0.13	-	-	-	-
12	·	840	0.11	-	-	-	-

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:

Admin mula : Seattle, United States

17 Apr '25

This IR spectrum is one of the files previously uploaded by a user from India (IP: 14.xxx.xxx.121). Since the uploaded files already include CSV or SPA formats—both of which support direct web-based queries—please upload each SPA or CSV file individually for analysis, rather than in a ZIP archive.

ibahagi

aliphatic hydrocarbon material with methyl-substituted saturated chain or ring character

FTIR Spectrum Analysis Report