Results20260225041219210704299

**Data → Analysis → Conclusion/Inference**

**Data:**
Provided FTIR absorption peaks (cm⁻¹) with relative intensities and shapes: 714 (0.56, medium, sharp), 753 (1.00, strong, broad), 792 (0.41, medium, sharp), 834 (0.61, medium, broad), 914 (0.88, strong, broad), 994 (0.31, weak, broad), 1009 (0.31, weak, sharp), 1043 (0.17, weak, sharp), 1116 (0.50, medium, sharp), 1160 (0.80, strong, broad), 1183 (0.73, strong, sharp), 1238 (0.60, medium, broad), 1429 (0.24, weak, broad), 1447 (0.23, weak, sharp), 1475 (0.34, medium, sharp), 1507 (0.60, medium, broad), 1572 (0.24, weak, sharp), 1603 (0.39, medium, broad), 1623 (0.18, weak, sharp).

**Analysis (Peak Assignments based on standard FTIR ranges):**
* **714, 753, 792, 834 cm⁻¹:** Characteristic of **out-of-plane C–H bending vibrations (δ(C–H)oop)** of aromatic rings. The pattern (multiple medium-strong peaks between 700-900 cm⁻¹) strongly indicates a **mono- or poly-substituted benzene ring**.
* **914, 994, 1009, 1043 cm⁻¹:** Peaks in this region (900-1100 cm⁻¹) can correspond to various vibrations, including C–O stretching, C–C skeletal vibrations, or C–H in-plane bending of aromatics. The strong, broad peak at 914 cm⁻¹ is notable but not uniquely assignable from this data alone.
* **1116, 1160, 1183 cm⁻¹:** Consistent with **C–O–C asymmetric stretching vibrations** (aryl-alkyl or diaryl ethers) and/or **C–O stretching in esters or phenols**. The strong intensity suggests a significant presence of such linkages.
* **1238 cm⁻¹:** Typical region for **P=O stretching vibration (ν(P=O))** in phosphorous-containing compounds (e.g., phosphates, phosphonates, phosphazenes) or **C–O stretching in aryl esters**.
* **1429, 1447, 1475 cm⁻¹:** Likely **aromatic ring skeletal vibrations (ν(C=C))** and/or **C–H bending vibrations (δ(C–H))** in aliphatic or aromatic systems.
* **1507, 1572, 1603, 1623 cm⁻¹:** Primary bands for **aromatic C=C stretching vibrations (ν(C=C))**. This confirms the presence of **aromatic rings**.

**Conclusion/Inference:**
1. **Definite Functional Groups Present:** The spectrum provides definitive evidence for **aromatic rings** (C=C stretch ~1500-1623 cm⁻¹; C–H oop bend ~714-834 cm⁻¹).
2. **Highly Probable Functional Groups/Linkages:** The strong, complex absorption between ~1116-1238 cm⁻¹ strongly indicates the presence of **C–O–C (ether/ester) linkages** and/or **P–O–C linkages**. **[Inference]** The specific pattern, combined with the strong aromatic signatures, is highly suggestive of an **aryl ether, aryl ester, or aryl phosphate/phosphonate** structural motif.
3. **Potential Component Inference:** **[Inference]** The collective pattern—particularly the combination of strong, broad bands in the 900-950 cm⁻¹ and 1150-1250 cm⁻¹ regions with intense aromatic bands—is consistent with **polymeric or oligomeric materials containing aromatic rings linked by ether/oxygen-phosphorus bonds**. While the candidate poly(diphenoxyphosphazene) was dismissed due to low match score, the spectral features remain indicative of a **phenoxy-substituted phosphazene or a structurally related aromatic polyphosphate/phosphonate/polyether**.
4. **Limitations:** The exact nature of the oxygen-phosphorus (if present) or specific ester/ether type cannot be determined unambiguously without complementary data (e.g., NMR, elemental analysis). The weak, sharp peaks (e.g., 1572, 1623 cm⁻¹) may be overtones or combination bands.