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    Rhenium tetrafluoride

    From Handwiki - Reading time: 3 min

    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



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