AM_C38H18 Formula: C19 H9 Name: C38H18 Unit cell: 31.276 3.7818 21.663 90.0 124.22 90.0 , V=2118.72 Space group: P121/A1 (14)

Marsh R E , Herbstein F H , Acta Crystallographica, Section B , 44 (1988) p.77-88, More space group changes