Polonickel - a binary inorganic compound, polonium and nickel with the formula NiPo, crystals.
| Polonickel | |
|---|---|
| Are common | |
| Systematic name | Polonickel |
| Traditional names | nickel polonium; nickel polonide |
| Chem. formula | Nipo |
| Rat formula | PoNi |
| Physical properties | |
| condition | crystals |
| Molar mass | 267.69 g / mol |
| Density | 11.53 [1] [2] [3] g / cm³ |
| Thermal properties | |
| T. melt. | ≈625 ° C |
Getting
- Fusion of stoichiometric amounts of pure substances:
Physical Properties
Polonium nickel forms crystals of hexagonal syngony , cell parameters a = 0.3973 nm, c = 0.568 nm, Z = 2, nickel arsenide type structure NiAs [4] [5] .
The compound melts congruently at ≈625 ° С and has a wide homogeneity range of 50–66.7 at. % polonium (i.e., to the composition of NiPo 2 ).
Notes
- ↑ Chemist's Handbook / Editorial: Nikolsky B.P. et al. - 3rd ed., rev. - L .: Chemistry, 1971. - T. 2. - 1168 p.
- ↑ Chemical Encyclopedia / Editorial: Knunyants I.L. et al. - M .: Soviet Encyclopedia, 1995. - T. 4. - 639 p. - ISBN 5-82270-092-4 .
- ↑ Polonium / Harvey V. Moyer. - Oak Ridge: Tennessee Unated States Atomic Energy Commission, 1956.
- ↑ State Diagrams of Double Metal Systems / Ed. N.P. Lyakisheva. - M .: Engineering, 2001. - T. 3 Book 1. - 972 p. - ISBN 5-217-02843-2 .
- ↑ Nevill Gonzalez Szwacki, Teresa Szwacka. Basic Elements of Crystallography . - Pan Stanford Publishing, 2010 .-- 195 p.