Tetrasulfur dication
= Tetrasulfur dication
{title2=$\mathrm{S_4^{2+}}$}
$\mathrm{S_4^{2+}}$, a square-planar <sulfur> ring with a useful six-pi-electron aromatic description. Its 22 <valence electrons> are partitioned differently from a five-vertex <Zintl cluster>.