RESULT PAGE

long-chain aliphatic hydrocarbon-like material

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Result No.: 20250701104913335186143 Owner: publicuser Comments: 0
FTIR Analysis Report

long-chain aliphatic hydrocarbon-like material

Sample & Measurement Parameters

Report No. 20250701104913335186143
Date 2025-07-02 00:25:08
Spectral Range (cm⁻¹) [(650, 4000)]
Baseline AsLS baseline correction
Library match 0%

Identification Result

0%

The FTIR evidence supports a broad assignment to a long-chain aliphatic hydrocarbon-like material rather than a specific named compound. The observed bands at 2915 and 2847 cm⁻1 are characteristic of aliphatic C-H stretching, 1462 cm⁻1 is consistent with methylene deformation, and the paired low-frequency bands at 729 and 719 cm⁻1 are typical of rocking modes from extended -(CH2)n- chains. Although the nearest library hit is 4-Tetradecylaniline, the retrieval confidence is effectively absent and there is no direct or related literature evidence confirming an aromatic amine or any other specific functionalized structure. A chemically honest conclusion is therefore a broad long-chain alkyl material direction

Detailed interpretation

  • Top library match: 4-Tetradecylaniline #81
  • The leading library match has zero effective similarity confidence, S-O it cannot by itself support identification as 4-Tetradecylaniline.
  • The current peak set does not show characteristic, identifying evidence for an aniline-type aromatic amine, such as clear N-H stretching or ring-associated bands.
  • The spectrum provided is sparse and mainly reflects generic alkyl-chain features that are shared by many hydrocarbons and alkyl-substituted compounds.
  • Because no distinguishing heteroatom or aromatic bands are confirmed, the sample could represent a hydrocarbon, a halogenated long-chain compound, or another alkyl-rich material with weak or unreported minor features.
  • A specific entity-level assignment is not supported by the present evidence.

Recommended next steps: Acquire a full-range FTIR spectrum with baseline-corrected intensities to check for weak bands from aromatic C=C, N-H, C-N, C-Br, or carbonyl functionalities. Inspect the 3000-3100 cm⁻1 and 1600-1500 cm⁻1 regions specifically for aromatic or amine-related bands if 4-Tetradecylaniline remains of interest. Compare the sample against authentic long-chain hydrocarbon, alkyl bromide, and alkyl amine/aniline reference spectra under the same measurement conditions. Use a complementary method such as GC-MS or NMR to determine whether the material is a simple hydrocarbon chain or a functionalized long-chain organic compound.

Library Comparison

Match group:
Library spectrum will appear here.

Library Search Results — Top 15 Candidates

Rank Match % Compound SMILES Spectrum No. Action
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Peak Analysis

★ = Literature-supported assignment
# Wavenumber (cm⁻¹) Absorbance Assignment Citation Assignment status
1 · 2915 1.00 - - -
2 · 2847 0.88 - - -
3 · 719 0.35 - - -
4 · 1462 0.30 - - -
5 · 729 0.24 - - -

Appendix — Raw Spectrum

Raw sample spectrum
Generated by FTIR.fun — Report #20250701104913335186143 2025-07-02 00:25:08
Discussion

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