Selenium hexafluoride
Compounds
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Selenium hexafluoride is the inorganic compound with the formula SeF₆. It is a very toxic colourless gas described as having a "repulsive" odor. It is not widely encountered and has no commercial applications. Wikipedia
Formula: SeF6
Molar mass: 192.9534 g/mol
Density: 7.89 g/cm³
Boiling point: −34.5 °C (−30.1 °F; 238.7 K) sublimes
Coordination geometry: octahedral (Oh)
Crystal structure: Orthorhombic, oP28
Melting point: −39 °C (−38 °F; 234 K)