Niobium phosphide is an inorganic compound of niobium metal and phosphorus with the formula NbP, dark gray crystals that are not soluble in water.
| Niobium phosphide | |
|---|---|
| Are common | |
| Systematic name | Niobium phosphide |
| Traditional names | Phosphorous Niobium |
| Chem. formula | Nbp |
| Physical properties | |
| condition | dark gray crystals |
| Molar mass | 123.88 g / mol |
| Density | 6.48 g / cm³ |
| Thermal properties | |
| T. decomp. | 1730 ° C |
| Classification | |
| Reg. CAS number | 12034-66-1 |
| PubChem | |
| Reg. EINECS number | 234-810-2 |
| Smiles | |
| Inchi | |
| ChemSpider | |
Content
Getting
- Sintering of powdered niobium and red phosphorus:
Physical Properties
Niobium phosphide forms dark gray crystals of tetragonal syngony , space group I 4 1 md , cell parameters a = 0.3334 nm, c = 1.1378 nm, Z = 4 [1] .
Not soluble in water.
Niobium phosphide, like TaAs tantalum arsenide, is a topological Weyl semimetal [2] .
Notes
- ↑ 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 .
- ↑ Xu Di-Fei et al. Observation of Fermi Arcs in Non-Centrosymmetric Weyl Semi-Metal Candidate NbP // Chinese Physics Letters. - 2015. - Vol. 32. - P. 107101. - DOI : 10.1088 / 0256-307X / 32/10/107101 .
Literature
- Chemical Encyclopedia / Editorial Board: Knunyants I.L. et al. - M .: Soviet Encyclopedia, 1992. - T. 3. - 639 p. - ISBN 5-82270-039-8 .
- Chemistry Handbook / Editorial: Nikolsky B.P. et al. - 2nd ed., rev. - M.-L.: Chemistry, 1966. - T. 1. - 1072 p.
- Inorganic Synthesis Guide: 6 Vol. / Ed. Brower, G. - Moscow : Mir, 1985 .-- V. 5 .-- 360 p.
- CRC Handbook of Chemistry and Physics . - 89th Edition. - Taylor and Francis Group, LLC, 2008-2009.
- State Diagrams of Double Metal Systems / Ed. N.P. Lyakisheva. - M .: Engineering, 2001. - T. 3 Book 1. - 972 p. - ISBN 5-217-02843-2 .