SF4
  -OEChem-04192423353D

  8 12  0     0  0  0  0  0  0999 V2000
   40.9710   -0.0190   22.6690 Fe  0  0  0  0  0  0  0  0  0  0  0  0
   39.5560    2.3190   22.8040 Fe  0  0  0  0  0  0  0  0  0  0  0  0
   42.0770    2.1610   23.8610 Fe  0  0  0  0  0  0  0  0  0  0  0  0
   41.7840    2.1350   21.1450 Fe  0  0  0  0  0  0  0  0  0  0  0  0
   41.2800    3.9450   22.6080 S   0  4  0  0  0  0  0  0  0  0  0  0
   43.1720    0.7840   22.3460 S   0  4  0  0  0  0  0  0  0  0  0  0
   39.7220    0.8750   20.8270 S   0  4  0  0  0  0  0  0  0  0  0  0
   40.1410    1.0600   24.5750 S   0  4  0  0  0  0  0  0  0  0  0  0
  1  6  1  0  0  0  0
  1  7  1  0  0  0  0
  1  8  1  0  0  0  0
  2  5  1  0  0  0  0
  2  7  1  0  0  0  0
  2  8  1  0  0  0  0
  3  5  1  0  0  0  0
  3  6  1  0  0  0  0
  3  8  1  0  0  0  0
  4  5  1  0  0  0  0
  4  6  1  0  0  0  0
  4  7  1  0  0  0  0
M  RAD  4   5   2   6   2   7   2   8   2
M  END
> <OPENEYE_ISO_SMILES>
[S]12[Fe]3[S]4[Fe]1[S]5[Fe]2[S]3[Fe]45

> <OPENEYE_INCHI>
InChI=1S/4Fe.4S

> <OPENEYE_INCHIKEY>
LJBDFODJNLIPKO-UHFFFAOYSA-N

> <FORMULA>
Fe4S4

$$$$