Gold heptafluoride

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Gold heptafluoride
Gold heptafluoride AuF5-F2-calculated-B3LYP-2007-3D-balls.png
Molecular formula AuF7
Molar mass 322.956 g/mol
Main hazards Corrosive, toxic
Related compounds
Other cations ReF7, IF7
Related compounds AuF3, AuF5
Except where noted otherwise, data are given for materials in their standard state (at 25 °C (77 °F), 100 kPa)
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Infobox references

Gold heptafluoride is a gold(V) compound with the empirical formula AuF7. The synthesis of this compound was first reported in 1986.[1] Current calculations suggest that it may be the first difluorine complex, AuF5·F2. The gold(V) difluorine complex is calculated to be 205 kJ/mol more stable than gold(VII) fluoride. The vibrational frequency at 734 cm-1 is the hallmark of the end-on coordinated difluorine molecule.[2]


  1. ^ Timakov, A. A.; Prusakov, V. N.; Drobyshevskii, Y. V. (1986). Dokl. Akad. Nauk SSSR (in Russian) 291: 125−128. 
  2. ^ Himmel, Daniel; Riedel, Sebastian (2007-05-31). "After 20 Years, Theoretical Evidence That "AuF7" Is Actually AuF5·F2". Inorganic Chemistry 46 (13): 5338–5342. doi:10.1021/ic700431s.