sulflower

Sulflower (a portmanteau of sulfur and sunflower) is a stable heterocyclic octacirculene based on thiophene. Sulflower does not contain any hydrogen. With molecular formula (C2S)8 the compound is considered a type of carbon sulfide. The molecule is flat and together with the 9-membered homolog is at a local strain energy minimum.

{| class="wikitable" style="margin:1em auto; text-align:center;" |+ Crystal structure |200px||150px |- |Stacking of sulflowermolecules in the crystal structure||Packing of sulflowermolecules in the crystal structure |}