Iron(I) phosphide
Chemical compound
From Wikipedia, the free encyclopedia
Iron(I) phosphide is an inorganic compound of iron and phosphorus with the chemical formula Fe3P.[2][3]
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3D model (JSmol) |
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| ChemSpider | |
| ECHA InfoCard | 100.031.517 |
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PubChem CID |
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CompTox Dashboard (EPA) |
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| Properties | |
| Fe3P | |
| Molar mass | 204.01 |
| Appearance | Gray to blue-gray powder |
| Density | 6.74 g/cm3 |
| Melting point | 1,370 °C (2,500 °F; 1,640 K) |
| Insoluble | |
| Structure | |
| tetragonal | |
| Hazards | |
| GHS labelling: | |
 [1] | |
| Warning | |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Fe3P occurs naturally as a mineral called schreibersite in some meteorites. Some iron may be replaced by nickel.[4]
Synthesis
Iron(I) phosphide can be prepared by the chemical reaction of iron and phosphorus at high temperature.[5]
- 3Fe + P → Fe3P
Physical properties
The compound forms gray to blue-gray crystals of a tetragonal system, space group I4.[4]
It is insoluble in water.[6] Soluble in nitric acid, HF, aqua regia.[7]
Fe3P decomposes on melting.[4]
Chemical properties
Uses
The compound is a semiconductor widely used in high-power and high-frequency applications, such as laser diodes.[9][dubious – discuss]