| Identifiers | |
|---|---|
3D model (JSmol) | |
| |
| |
| Properties | |
| P7Th | |
| Molar mass | 448.8540 g·mol−1 |
| Appearance | black rod-shaped crystals |
| Density | 4.93 g/cm3[1] |
Except where otherwise noted, data are given for materials in theirstandard state (at 25 °C [77 °F], 100 kPa). | |
Thorium heptaphosphide is a binaryinorganic compound ofthorium metal andphosphorus with the chemical formulaThP7.[2] This is the most phosphorus-rich binary compound of a tetravalent thorium.[3]
Thorium heptaphosphide can be synthesized from the elements with addition of iodine at 830 K.[3][4]
Thorium heptaphosphide forms black rod-shaped crystals oforthorhombic crystal system.[1][4] It decomposes toTh2P11 at 650 K in vacuo.[3]