Phosphorus trifluoride (data page)
This page provides supplementary chemical data on phosphorus trifluoride.
Structure and properties
     
| Structure and properties | |
|---|---|
| Index of refraction, nD | ? | 
| Abbe number | ? | 
| Dielectric constant, εr | ? ε0 at ? °C | 
| Bond strength | 499 kJ/mol (P–F) | 
| Bond length | 156 pm (P–F) | 
| Bond angle | 96.3° (F–P–F) | 
| Magnetic susceptibility | ? | 
Thermodynamic properties
     
| Phase behavior | |
|---|---|
| Triple point | ? K (? °C), ? Pa | 
| Critical point | 271 K (−2 °C), 42.7 atm | 
| Std enthalpy change of fusion, ΔfusH  | 
? kJ/mol | 
| Std entropy change of fusion, ΔfusS  | 
? J/(mol·K) | 
| Std enthalpy change of vaporization, ΔvapH  | 
? kJ/mol | 
| Std entropy change of vaporization, ΔvapS  | 
? J/(mol·K) | 
| Solid properties | |
| Std enthalpy change of formation, ΔfH  | 
? kJ/mol | 
| Standard molar entropy, S  | 
? J/(mol K) | 
| Heat capacity, cp | ? J/(mol K) | 
| Liquid properties | |
| Std enthalpy change of formation, ΔfH  | 
? kJ/mol | 
| Standard molar entropy, S  | 
? J/(mol K) | 
| Heat capacity, cp | ? J/(mol K) | 
| Gas properties | |
| Std enthalpy change of formation, ΔfH  | 
? kJ/mol | 
| Standard molar entropy, S  | 
? J/(mol K) | 
| Heat capacity, cp | ? J/(mol K) | 
Spectral data
     
| UV-Vis | |
|---|---|
| λmax | ? nm | 
| Extinction coefficient, ε | ? | 
| IR | |
| Major absorption bands | ? cm−1 | 
| NMR | |
| Proton NMR | |
| Carbon-13 NMR | |
| Other NMR data | |
| MS | |
| Masses of  main fragments  | 
|
  This box:   
- Except where noted otherwise, data relate to Standard temperature and pressure.
 - Reliability of data general note.
 
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