Protactinium tetrafluoride explained
Protactinium tetrafluoride is a binary inorganic compound of protactinium metal and fluorine with the chemical formula .[1]
Synthesis
Protactinium tetrafluoride can be obtained by fluorinating protactinium(IV) oxide with a hydrogen fluoride / hydrogen mixture at 600 °C:
The effect of hydrogen fluoride and hydrogen on protactinium(V) oxide:
Physical properties
forms dark brown, monoclinic, needlelike crystals of structure.[2] The cell parameters are: a = 1.27 nm, b = 1.07 nm, c = 0.842 nm, β = 126.3°.
The compound is soluble in aqueous ammonium fluoride solutions.[3]
Chemical properties
Protactinium tetrafluoride reacts with oxygen and fluorine:[4]
The compound reacts with alkalis:
The compound is displaced from the salt by barium:
Notes and References
- Book: Hawkins . Donald T. . Binary Fluorides: Free Molecular Structures and Force Fields A Bibliography (1957–1975) . 6 December 2012 . . 978-1-4684-6147-3 . 50 . 2 April 2024 . en.
- Book: Advances in Inorganic Chemistry and Radiochemistry . 28 February 1970 . Academic Press . 978-0-08-057861-3 . 7 . 2 April 2024 . en.
- Book: Advances in Inorganic Chemistry and Radiochemistry . 28 February 1970 . Academic Press . 978-0-08-057861-3 . 9 . 2 April 2024 . en.
- Book: Proceedings of the Protactinium Chemistry Symposium: Gatlinburg, Tennessee, April 25-26, 1963 : Sessions 1-111 . 1964 . United States Atomic Energy Commission, Technical Information Service Extension . 57 . 2 April 2024 . en.
