Pentaniobium triphosphide is an inorganic compound of niobium metal and phosphorus with the formula Nb 5 P 3 , dark gray crystals, insoluble in water.
| Pentaniobium triphosphide | |
|---|---|
| Are common | |
| Systematic name | Pentaniobium triphosphide |
| Traditional names | Phosphorous Niobium |
| Chem. formula | Nb 5 P 3 |
| Physical properties | |
| condition | dark gray crystals |
| Molar mass | 557.45 g / mol |
| Density | 7.4 g / cm³ |
Content
Getting
- Sintering of powdered niobium and red phosphorus:
Physical Properties
Pentaniobium triphosphide forms dark gray crystals of rhombic syngony with the spatial group P nma , cell parameters a = 2.5384 nm, b = 0.3433 nm, c = 1.1438 nm, Z = 8 [1] [2] .
Not soluble in water.
Notes
- ↑ Eivind Hassler. The Crystal Structure of Nb 5 P 3 // Acta Chemica Scandinavica. - 1971. - T. 25 . - S. l29-140 .
- ↑ Ya. F. Lomnits'ka, AI Shupars'ka. Reactions of niobium and tungsten with phosphorus // Powder Metallurgy and Metal Ceramics. - 2006. - T. 45 , No. 7-8 . - S. 361-364 . - DOI : 10.1007 / s11106-006-0090-1 .
Literature
- Inorganic Synthesis Guide: 6 Vol. / Ed. Brower, G. - Moscow : Mir, 1985 .-- V. 5 .-- 360 p.