Gold(III) fluoride
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| Gold(III) fluoride[1] | |
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Gold(III) fluoride |
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Other names
Gold trifluoride |
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| Identifiers | |
| CAS number | 14720-21-9 |
| PubChem | 5460532 |
| ChemSpider | 10790539  |
| ChEBI | CHEBI:30077 |
| Jmol-3D images | Image 1 |
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| Properties | |
| Molecular formula | AuF3 |
| Molar mass | 253.962 g/mol |
| Appearance | orange-yellow hexagonal crystals |
| Density | 6.75 g/cm3 |
| Melting point |
sublimes above 300°C |
| Structure | |
| Crystal structure | Hexagonal, hP24 |
| Space group | P6122, No. 178 |
| Thermochemistry | |
| Std enthalpy of formation ΔfH |
-363.3 kJ/mol |
 (verify) (what is:  / ?)Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) |
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| Infobox references | |
Gold(III) fluoride, AuF3, is an orange solid that sublimes at 300 °C.[2] It is a powerful fluorinating agent.
[edit] Preparation
AuF3 can be prepared by reacting AuCl3 with F2 or BrF3.
[edit] Structure
The crystal structure of AuF3 consists of spirals of square-planar AuF4 units.[3]
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[edit] References
- ^ Lide, David R. (1998). Handbook of Chemistry and Physics (87 ed.). Boca Raton, FL: CRC Press. pp. 4–59. ISBN 0-8493-0594-2.
- ^ Greenwood, Norman N.; Earnshaw, Alan (1997). Chemistry of the Elements (2nd ed.). Butterworth–Heinemann. ISBN 0080379419., p. 1184.
- ^ F. W. B. Einstein, P. R. Rao, James Trotter and Neil Bartlett (1967). "The crystal structure of gold trifluoride". Journal of the Chemical Society A: Inorganic, Physical, Theoretical 4: 478–482. doi:10.1039/J19670000478.
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