Ruthenium hexafluoride

Ruthenium hexafluoride (RuF₆) is a chemical compound consisting of one ruthenium atom and six fluorine atoms. It is one of the seventeen known binary hexafluorides. Ruthenium hexafluoride is a volatile, highly reactive compound that is of interest both for its unique chemical properties and its use in the field of inorganic chemistry.

Properties

Ruthenium hexafluoride is a dark brown solid that sublimes at room temperature. It is highly reactive, especially with water, and decomposes in the presence of moisture to form oxygen and various ruthenium and fluorine-containing compounds. RuF₆ is one of the most powerful oxidizing agents known and can oxidize substances that are generally considered to be non-reactive.

The compound has a high melting point and exhibits octahedral molecular geometry, which is typical for hexafluorides. The Ru-F bond lengths are relatively uniform, indicating strong bonding between the ruthenium and fluorine atoms.

Synthesis

Ruthenium hexafluoride can be synthesized by the direct combination of ruthenium metal with fluorine gas under specific conditions. The reaction requires high temperatures and the presence of an inert atmosphere to prevent the formation of unwanted byproducts.

Applications

Due to its strong oxidative properties, ruthenium hexafluoride has potential applications in chemical synthesis and materials science. However, its high reactivity and the difficulty in handling it safely limit its practical applications. Research is ongoing into its use as a fluorinating agent in organic chemistry, where its ability to add fluorine atoms to organic molecules could be valuable.

Safety

Ruthenium hexafluoride is highly toxic and corrosive, requiring special handling precautions. It can cause severe burns upon contact with skin and is dangerous if inhaled. Appropriate safety measures, including the use of gloves, protective clothing, and eye protection, are essential when working with this compound. Facilities that use or produce RuF₆ must have adequate ventilation and emergency procedures in place to deal with potential accidents.

See also

• Ruthenium
• Hexafluoride
• Chemical synthesis
• Oxidizing agent