sulfur hexafluoride

…most useful of which is sulfur hexafluoride, SF₆, a gas employed as an insulator in various electrical devices. Sulfur also forms oxyhalides, in which the sulfur atom is bonded to both oxygen and halogen atoms. When such compounds are named, the term thionyl is used to designate those containing the…

…such as sulfur(+6) fluoride (sulfur hexafluoride; SF₆) and carbon(+4) fluoride (carbon tetrafluoride; CF₄) are not normally considered coordination compounds, because sulfur (S) and carbon (C) are nonmetallic elements. Yet there is no great difference between these compounds and, say, uranium hexafluoride. Furthermore, such simple ionic salts as sodium chloride

gases (halocarbons), the latter including sulfur hexafluoride, hydrofluorocarbons (HFCs), and perfluorocarbons (PFCs). Nitrous oxide is responsible for 0.16 watt per square metre radiative forcing, while fluorinated gases are collectively responsible for 0.34 watt per square metre. Nitrous oxides have small background concentrations due to natural biological reactions in soil and…

An example is sulfur hexafluoride, SF₆, for which writing a Lewis structure with six S―F bonds requires that at least 12 electrons be present around the sulfur atom:

Consider SF₆, which according to Lewis’s theory needs to use two of its 3d orbitals in addition to its four 3s and 3p orbitals to accommodate six pairs of bonding electrons. In MO theory, the four 3s and 3p orbitals of sulfur and one 2p orbital…

…the hypervalent species SF₆ (sulfur hexafluoride), with six bonding pairs, is predicted and found to be a regular octahedron, and PCl₅ (phosphorus pentachloride), with five bonding pairs, is predicted and found to be a trigonal bipyramid. The XeF₄ (xenon tetrafluoride) molecule is hypervalent with six electron pairs around the…