RESULT PAGE

aromatic polyester

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Result No.: 20260625125631997885898 Owner: Admin Comments: 0
FTIR Analysis Report High confidence

aromatic polyester

Sample & Measurement Parameters

Report No. 20260625125631997885898
Date 2026-06-25 05:00:06
Spectral Range (cm⁻¹) [(400, 4000)]
Baseline Disabled
Confidence 86%

Identification Result

86%

The main component may be an aromatic polyester, supported by strong carbonyl and aromatic absorptions

Library Comparison

Library spectrum will appear here.

Library Search Results — Top 15 Candidates

Rank Match % Compound Formula / SMILES Library Preview Action
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Peak Analysis

★ = Literature-supported assignment
# Wavenumber (cm⁻¹) Absorbance Assignment Citation Confidence
1 1048 1.00 The band at 1048 cm-1 is assigned to C=O bonds originating from ester. [4] Moderate confidence
2 716 0.97 The band at 716 cm-1 is assigned to aromatic ring vibration. [1] Moderate confidence
3 · 550 0.93 - - -
4 · 753 0.93 - - -
5 1154 0.92 The band at 1154 cm-1 is assigned to C-O single-bond vibration. [5] Moderate confidence
6 1007 0.90 The band at 1007 cm-1 is assigned to C-O vibration. [3] Moderate confidence
7 · 682 0.89 - - -
8 1190 0.88 The band at 1190 cm-1 is assigned to C-O single-bond vibration. [6] Moderate confidence
9 870 0.86 The band at 870 cm-1 is assigned to aromatic ring vibration. [2] High confidence
10 · 799 0.78 - - -
11 1728 0.76 The band at 1728 cm-1 is assigned to ester. [9] High confidence
12 · 627 0.74 - - -
13 1241 0.72 The band at 1241 cm-1 is assigned to C-O-C asymmetric. [7] High confidence
14 · 1599 0.40 - - -
15 · 1495 0.36 - - -
16 1410 0.29 The band at 1410 cm-1 is assigned to aromatic ring vibration. [8] High confidence
17 · 1307 0.21 - - -
18 2922 0.19 The band at 2922 cm-1 is assigned to aliphatic compound. [11] Moderate confidence
19 3071 0.18 The band at 3071 cm-1 is assigned to aromatic ring vibration. [12] Moderate confidence
20 · 3726 0.14 - - -
21 · 3592 0.14 - - -
22 · 3625 0.13 - - -
23 · 3776 0.13 - - -
24 · 3662 0.13 - - -
25 2164 0.12 The band at 2164 cm-1 is assigned to aromatic ring vibration. [10] Moderate confidence
26 · 2048 0.11 - - -
27 · 1982 0.10 - - -

References

Appendix — Raw Spectrum

Raw sample spectrum
Generated by FTIR.fun — Report #20260625125631997885898 2026-06-25 05:00:06
Discussion

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