Ruthenium hexafluoride

Rutheniumhexafluorid

Dark brown crystalline solid

Fixed

3.68 g · cm -3 ( -140 ° C)

54 ° C.

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Ruthenium (VI ) fluoride ( RuF6 ), usually also Rutheniumhexafluorid, is a chemical compound of the elements ruthenium and fluorine and belongs to the group of hexafluoride.

Representation

Rutheniumhexafluorid represented by direct reaction of the metal in a gas stream at 400-450 ° C of F2/Ar. The yields are below 10%.

Properties

Rutheniumhexafluorid is a dark brown crystalline solid which melts at 54 ° C. It crystallizes in the orthorhombic crystal system (measured at -140 ° C) in the space group Pnma with the lattice parameters a = 931.3 pm, b = 848.4 pm and c = 491.0 pm and four formula units per unit cell with a calculated density of 3.68 g · cm -3. The RuF6 molecule is octahedral ( Oh); the Ru -F bond length is 181.8 pm.