This is an example of an octahedral molecule. These molecules have 6 atoms surrounding a central atom. The atoms directly across from each other are called "trans," and the atoms next to each other are called "cis." The ideal octahedron has 90 degree angles and equal distances. Sulfur hexafluoride is a commonly used example because it has all 90 degree angles and equal distances of 1.56 Angstroms on the F-S bonds.
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