Hydrated polysaccharide-rich organic material, likely bearing aromatic and methoxy groups
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Hydrated polysaccharide-rich organic material, likely bearing aromatic and methoxy groups
Sample & Measurement Parameters
Identification Result
33%The FTIR spectrum of the sample is dominated by signatures of a hydrated polysaccharide network. The broad O–H stretching band near 3348 cm⁻¹, the aliphatic C–H stretches at 2850 and 2916 cm⁻¹, and the dense envelope of C–O and C–O–C vibrations between 1200 and 900 cm⁻¹ together form a pattern that closely matches the carbohydrate fingerprint documented in reference spectra of honey and related materials. The band at 1644 cm⁻¹ is attributable to water bending, though a contribution from amide carbonyl cannot be ruled out. Additional weak features at 1555 cm⁻¹ (amide II) and 716 cm⁻¹ (possible aromatic out‑of‑plane bending) indicate minor nitrogen‑bearing or aromatic constituents. reference library comparison gave a very low‑confidence hit to 1,5‑dithiocan‑3‑ol and a consensus direction toward aromatic/methoxy systems; however, the absence of any sulfur‑related vibrations argues against that specific match. Taken together, the evidence points to a hydrated, polysaccharide‑rich substance that also contains aromatic and methoxy functionalities, but the exact chemical identity cannot be established from the present data alone FTIR In-Depth Interpretation was not selected for this task, so this section shows the library-search result only and no deep AI interpretation was run.
Detailed interpretation
- Top library match: 1,5-dithiocan-3-ol #79779
- The top library candidate 1,5‑dithiocan‑3‑ol contains sulfur, yet no characteristic S–O or C–S vibrations are observed in the spectrum, making that identification highly unlikely.
- One direct source attributes the 1079 cm⁻¹ band to silicon‑oxygen [11], which is incompatible with the predominantly organic C–O character of the sample; this assignment is not considered further.
- The low library similarity (0.15) and the absence of a unique, specific marker band prevent a definitive chemical identification; the material may be a mixture or a modified biopolymer.
- The exact nature of the aromatic and amide contributors cannot be determined from the FTIR data alone; alternative analytical techniques are required to clarify the chemical composition.
Library Comparison
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 | · | 1026 | 1.00 | - | - | - |
| 2 | · | 1644 | 0.61 | - | - | - |
| 3 | · | 716 | 0.48 | - | - | - |
| 4 | · | 1079 | 0.48 | - | - | - |
| 5 | · | 2916 | 0.42 | - | - | - |
| 6 | · | 1555 | 0.36 | - | - | - |
| 7 | · | 3348 | 0.35 | - | - | - |
| 8 | · | 1420 | 0.32 | - | - | - |
| 9 | · | 1146 | 0.28 | - | - | - |
| 10 | · | 2850 | 0.26 | - | - | - |
| 11 | · | 1292 | 0.24 | - | - | - |
| 12 | · | 923 | 0.14 | - | - | - |
Appendix — Raw Spectrum
Comments and follow-up evidence
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