Plutonium tetraboride is a binary inorganic compound of plutonium and boron with the formula PuB 4 , crystals.
| Plutonium tetraboride | |
|---|---|
| Are common | |
| Systematic name | Plutonium tetraboride |
| Traditional names | Boron plutonium |
| Chem. formula | PuB 4 |
| Physical properties | |
| condition | crystals |
| Molar mass | 287.24 g / mol |
| Density | 9.21 [1] |
| Thermal properties | |
| T. melt. | ≈2430 ° C |
| Classification | |
| Reg. CAS number | 12007-79-3 |
Getting
- Fusion of stoichiometric amounts of pure substances:
- Heating of plutonium trichloride and magnesium diboride in an inert atmosphere [2] .
Physical Properties
Plutonium tetraboride forms tetragonal crystal crystals, space group P 4 / mbm , cell parameters a = 0.71018 nm, c = 0.40028 nm, Z = 4, structure of the type ThB 4 [3] [4] .
The compound congruently [5] melts at ≈ 2430 ° С.
Notes
- ↑ Harry A. Eick. Plutonium Borides // Inorg. Chem .. - 1965. - Vol . 4 , No. 8 . - p . 1237–1239 . - DOI : 10.1021 / ic50030a037 .
- США US Patent No. 6,830,738 dated April 4, 2002. Low temperature synthesis of actinide tetraborides by solid-state metathesis reactions . Patent description on the website of the United States Patent and Trademark Office .
- ↑ BJ McDonald, WI Stuart. The crystal structure of some plutonium borides // Acta Cryst .. - 1960. - Vol. 13 , No. 5 . - p . 447-448 . - DOI : 10.1107 / S0365110X60001059 .
- Che The Chemistry of the Actinide and Transactinide Elements / Lester R. Morss, Norman M. Edelstein, J. Fuger. - Springer, 2010. - V. 2. - ISBN 978-94-007-0210-3 .
- ↑ State Diagrams of Double Metallic Systems / Ed. N. P. Lyakishev. - M .: Mashinostroenie, 1996. - T. 1. - 992 p. - ISBN 5-217-02688-X .