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aromatic hydrocarbon material with fingerprint-region C-O/C-C features and possible vinyl or substituted benzene character

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Result No.: 20250723152533738237579 Owner: publicuser Comments: 0
FTIR Analysis Report

aromatic hydrocarbon material with fingerprint-region C-O/C-C features and possible vinyl or substituted benzene character

Sample & Measurement Parameters

Report No. 20250723152533738237579
Date 2025-07-23 07:27:58
Spectral Range (cm⁻¹) [(650, 4000)]
Baseline Disabled
Library match 0%

Identification Result

0%

The FTIR pattern does not support a confident assignment to the top library compound, and the library search itself is effectively non-discriminating. The observed spectrum is more safely described as an aromatic organic material showing substituted benzene features, with several fingerprint-region bands that could arise from C-O-containing functionality and/or unsaturated side-chain structure. Because no direct reference or closely related literature match was recovered, the result should be treated as a broad material direction rather than a specific compound identification

Detailed interpretation

  • Top library match: N-ethyl-3-phenyl-N-(3-phenylpropyl)propan-1-amine; 2-hydroxypropane-1,2,3-tricarboxylic acid #236
  • The top library hit has zero reported similarity, S-O it cannot be treated as a supported entity-level identification.
  • The leading candidate name includes functionalities such as amine and polycarboxylic acid components, but the present peak list does not show clear characteristic evidence needed to support that specific paired composition.
  • The Top-15 library candidates span esters, halogenated compounds, amines, aromatics, and polymers, showing that the search lacks chemical specificity for this sample.
  • No direct literature statement or recovered reference spectrum confirms the narrow library candidate or any single specific material class.
  • The available evidence supports aromatic organic character but does not securely distinguish among an aromatic ester/ether-like material, an unsaturated aromatic side-chain compound, or a more complex mixture.
  • The fingerprint-region bands suggest heteroatom-containing functionality may be present, but the current evidence does not establish the exact group.
  • Without intensity, band shape, and full spectral coverage, the substitution pattern and the role of any vinyl-type group remain uncertain.

Recommended next steps: Acquire the full FTIR spectrum with intensities and band shapes, especially checking for any carbonyl band near 1700-1750 cm-1 and any broad O-H or N-H absorption above 3200 cm-1 to test ester, acid, alcohol, or amine possibilities. Compare the sample specifically against reference spectra for substituted aromatic vinyl compounds and aromatic C-O-containing materials, rather than relying on the current broad library hit list. If available, run Raman or GC-MS to determine whether the sample is a single aromatic compound or a mixture with unsaturated and oxygenated components. Inspect the 700-900 cm-1 region at higher resolution to refine the aromatic substitution pattern, which may help distinguish among mono-, di-, or more highly substituted benzene structures.

Library Comparison

Match group:
Library spectrum will appear here.

Library Search Results — Top 15 Candidates

Rank Match % Compound SMILES Spectrum No. Action
Loading library candidates...

Peak Analysis

★ = Literature-supported assignment
# Wavenumber (cm⁻¹) Absorbance Assignment Citation Assignment status
1 · 728 1.00 - - -
2 · 796 0.83 - - -
3 · 748 0.80 - - -
4 · 1079 0.65 - - -
5 · 1383 0.57 - - -
6 · 1320 0.40 - - -
7 · 1614 0.39 - - -
8 · 1145 0.35 - - -
9 · 1498 0.33 - - -
10 · 1200 0.31 - - -
11 · 1022 0.29 - - -
12 · 3047 0.26 - - -
13 · 905 0.25 - - -
14 · 1452 0.24 - - -
15 · 931 0.21 - - -
16 · 988 0.18 - - -
17 · 1250 0.14 - - -

Appendix — Raw Spectrum

Raw sample spectrum
Generated by FTIR.fun — Report #20250723152533738237579 2025-07-23 07:27:58
Discussion

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