Iridium Hexafluoride
Structural Formula Vector Image
Title: Iridium Hexafluoride
CAS Registry Number: 7783-75-7
Molecular Formula: F6Ir
Molecular Weight: 306.21
Percent Composition: F 37.23%, Ir 62.77%
Line Formula: IrF6
Literature References: Prepd by direct fluorination of iridium: Ruff, Fischer, Z. Anorg. Allg. Chem. 179, 161 (1929); Robinson, Westland, J. Chem. Soc. 1956, 4481. Crystal structure: Siegel, Northrop, Inorg. Chem. 5, 2187 (1966).
Properties: Golden yellow, cubic crystals. d (calc) 4.82. Very hygroscopic. mp 44.4°. bp 53°. Volatilizes on slow heating. Reduced to IrF4 by halogens. Decomposes in aqueous soln. Does not react with dry glass below 150°. May be stored in evacuated quartz ampuls.
Melting point: mp 44.4°
Boiling point: bp 53°
Density: d (calc) 4.82

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