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Propylcyclohexane

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결과 번호: 20260116125308778245329 소유자: Admin 댓글: 0
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FTIR ANALYSIS REPORT

FTIR Spectrum Analysis Report

No.: 20260116125308778245329 Date: Reported by: FTIR.fun Contact: [email protected]

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Top 15 candidates

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Conclusion

Propylcyclohexane

Entity identified
LLM 신뢰도
#19879 Current rank 1
Conclusion
  1. Literature sources consistently assign the 2926, 2858, and 1376 cm⁻¹ bands to aliphatic hydrocarbon moieties [1][2][4].
  2. The strong bands at 2926 and 2858 cm⁻¹ arise from asymmetric and symmetric C–H stretching of methylene (CH₂) groups, respectively [4][2].
  3. The absorption at 1460 cm⁻¹ corresponds to CH₂ scissoring, and the band at 1376 cm⁻¹ is assigned to symmetric CH₃ bending, both consistent with a saturated alkane backbone [1].
Evidence & interpretation
Evidence

Key evidence

라이브러리 최우선 일치
Propylcyclohexane #19879
Limitations

Evidence that limits the conclusion

  • One literature source attributes the 1460 cm⁻¹ band to an aromatic group [3]; however, this conflicts with the absence of other aromatic features and the overall aliphatic character of the spectrum.
  • The presence of minor branching or trace unsaturation cannot be ruled out solely from the four observed bands.
  • The exact chain length and cyclic versus linear structure remain partially ambiguous, as the spectral signature is similar for long-chain alkanes and cycloalkanes.
Recommendation

Suggested next verification

  • Verify the identity and purity using gas chromatography–mass spectrometry (GC–MS) or nuclear magnetic resonance (NMR) spectroscopy to confirm the cyclic alkane structure and assess chain length.
  • If the sample is a mixture, additional purification steps may be needed to isolate the major component for definitive characterization.
Peak analysis

Detected peaks and interpretation

★ = Literature-supported peak assignment.

Index Characteristic Wavenumber Absorbance Evidence One-line interpretation Citation Confidence
1 ★ 2926 1.00 문헌 지원 할당 2926 cm-1의 밴드는 alkyl C-H vibration[7]에 할당됩니다. [7] LLM 신뢰도
2 ★ 2858 0.71 문헌 지원 할당 2858 cm-1의 밴드는 alkyl C-H vibration[6]에 할당됩니다. [6] LLM 신뢰도
3 ★ 1460 0.39 문헌 지원 할당 1460 cm-1의 밴드는 alkyl C-H vibration[5]에 할당됩니다. [5] LLM 신뢰도
4 ★ 1376 0.20 문헌 지원 할당 1376 cm-1의 밴드는 alkyl C-H vibration[4]에 할당됩니다. [4] LLM 신뢰도
Literature

References

No. Title DOI Page
[1] Depciuch 等 - 2020 - Similarities in the General Chemical Composition o 10.3390/ijms21051826 5
[2] Sotoudehnia 和 McDonald - 2022 - Upgrading Mixed Agricultural Plastic and Lignocell 10.3390/catal12111381 15
[3] Mikolaszek 等 - 2022 - Microscopic and Spectroscopic Imaging and Thermal 10.3390/polym14142888 9
[4] Xu 等 - 2021 - A Rapid Method for the Determination of SBS Conten 10.3390/app112210911 8
[5] Varol 和 Mutlu - 2023 - TGA-FTIR Analysis of Biomass Samples Based on the 10.3390/en16093674 7
[6] Eddy 等 - 2018 - Experimental and computational chemistry studies o 10.1080/16583655.2018.1500514 9
[7] Drob 等 - 2023 - Technological and Functional Approaches Applied to 10.3390/app13042093 14
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): N/A

Raw spectrum without baseline correction or other processing:

Sample spectrum image
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