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Protactinium tetrafluoride
Protactinium tetrafluoride is a binary inorganic compound of protactinium metal and fluorine with the chemical formula PaF4.
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:
PaF4 forms dark brown, monoclinic, needlelike crystals of UF4 structure. 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.
Protactinium tetrafluoride reacts with oxygen and fluorine:
The compound reacts with alkalis:
The metal is displaced from the salt by barium:
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Protactinium tetrafluoride
Protactinium tetrafluoride is a binary inorganic compound of protactinium metal and fluorine with the chemical formula PaF4.
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:
PaF4 forms dark brown, monoclinic, needlelike crystals of UF4 structure. 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.
Protactinium tetrafluoride reacts with oxygen and fluorine:
The compound reacts with alkalis:
The metal is displaced from the salt by barium: