Octafluoride oxide diprotactinium is an inorganic compound of protactinium , oxygen and fluorine with the formula Pa 2 OF 8 , colorless crystals.
| Octafluoride Oxide Diprotactinium | |
|---|---|
| Are common | |
| Systematic name | Octafluoride Oxide Diprotactinium |
| Traditional names | Protaktinium fluoride |
| Chem. formula | Pa 2 OF 8 |
| Rac formula | Pa 2 F 8 O |
| Physical properties | |
| condition | colorless crystals |
| Molar mass | 630.06 g / mol |
| Density | 7.0 g / cm³ |
| Classification | |
| Reg. CAS number | 12400-84-9 |
Content
Getting
- Heating crystalline hydrate of protaktinium fluoride (V) in air [1] [2] :
- Passing a mixture of hydrogen fluoride and oxygen through protaktinium oxide (V) [1] [2] :
Physical Properties
Octafluoride-oxide diprotactin forms colorless crystals of the cubic system , the cell parameters are a = 0.84065 nm, Z = 4 is a structure of the non-fluoride type of diuran U 2 F 9 [1] .
The molecule has the structure of F 4 Pa-O-PaF 4 [2] .
Chemical Properties
- Decomposed by heating to protaktinium fluoride dioxide [3] [4] :
Notes
- 2 1 2 3 The Chemistry of the Actinide and Transactinide Elements / Lester R. Morss, Norman M. Edelstein, J. Fuger. - Springer, 2010. - Vol. 1. - 874 p. - ISBN 978-94-007-0210-3 .
- ↑ 1 2 3 Palshin E.S., Myasoedov B.F., Davydov A.V. Analytical chemistry of protactinium. - M: Science, 1968. - 241 p.
- ↑ G. Meyer, Lester R. Morss. Synthesis of Lanthanide and Actinide Compounds . - Springer Science & Business Media, 2012. - 368 p. - ISBN 978-94-011-3758-4 . - DOI : 10.1007 / 978-94-011-3758-4 .
- ↑ D. Brown, JF Easey. Protactinium (V) fluorides // Journal of the Chemical Society A: Inorganic, Physical, Theoretical. - 1970. - p . 3378-3381 . - DOI : 10.1039 / j19700003378 .