Chemistry:Rhenium tetrafluoride

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Rhenium tetrafluoride
Names
Other names
Rhenium(IV) fluoride
Identifiers
3D model (JSmol)
ChemSpider
Properties
F4Re
Molar mass 262.201 g·mol−1
Appearance blue crystals
Density 5.38 g/cm3
Melting point 124.5 °C (256.1 °F; 397.6 K)
Boiling point 795 °C (1,463 °F; 1,068 K)
Structure
tetragonal
Related compounds
Related compounds
Osmium tetrafluoride
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Rhenium tetrafluoride is a binary inorganic compound of rhenium and fluorine with the chemical formula ReF
4
.[1]

Synthesis

Rhenium tetrafluoride can be made by the reduction of rhenium hexafluoride with hydrogen, rhenium, or sulfur dioxide:[2][3]

ReF
6
+ H
2
→ 2ReF
4
+ 2HF
2ReF
6
+ Re → 3ReF
4
ReF
6
+ SO
2
→ ReF
4
+ SO
2
F
2

Physical properties

Rhenium tetrafluoride forms blue crystals[4] of tetragonal structure, cell parameters a = 1.012 nm, c = 1.595 nm.

Rhenium tetrafluoride reacts with water, and corrodes glass when heated.

References