Phosphorus pentaiodide
| Names | |
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| IUPAC name
Phosphorus(V) iodide | |
Other names
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| Identifiers | |
3D model (JSmol) |
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PubChem CID |
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CompTox Dashboard (EPA) |
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| Properties | |
| PI5 | |
| Molar mass | 665.49611 g·mol−1 |
| Appearance | Brown-black crystalline solid (disputed) |
| Melting point | 41 °C (106 °F; 314 K) (disputed) |
| Related compounds | |
Related compounds |
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Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references | |
Phosphorus pentaiodide is a hypothetical inorganic compound with formula PI5. The existence of this compound has been claimed intermittently since the early 1900s. The claim is disputed: "The pentaiodide does not exist (except perhaps as PI3·I2, but certainly not as [PI4]+I−...)".