T2N
  -OEChem-05172421183D

  8  9  0     1  0  0  0  0  0999 V2000
   15.3250   -4.0980    5.2070 O   0  0  0  0  0  0  0  0  0  0  0  0
   14.5700   -5.0980    2.6300 O   0  0  0  0  0  0  0  0  0  0  0  0
   14.9110   -1.7790    3.3570 S   0  3  1  0  0  0  0  0  0  0  0  0
   11.6240   -3.0010    3.4690 S   0  0  0  0  0  0  0  0  0  0  0  0
   15.3930   -5.6040    3.9170 Fe  0  0  0  0  0  0  0  0  0  0  0  0
   16.3070   -2.7060    4.8080 Fe  0  0  0  0  0  0  0  0  0  0  0  0
   13.6480   -3.3430    2.5060 Fe  0  0  0  0  0  0  0  0  0  0  0  0
   13.0570   -1.6730    4.4640 Fe  0  0  0  0  0  0  0  0  0  0  0  0
  1  5  1  0  0  0  0
  1  6  1  0  0  0  0
  2  5  1  0  0  0  0
  2  7  1  0  0  0  0
  3  6  1  0  0  0  0
  3  7  1  0  0  0  0
  3  8  1  0  0  0  0
  4  7  1  0  0  0  0
  4  8  1  0  0  0  0
M  CHG  1   3   1
M  END
> <OPENEYE_ISO_SMILES>
O1[Fe]O[Fe]2S[Fe][S@+]2[Fe]1

> <OPENEYE_INCHI>
InChI=1S/4Fe.2O.2S/q;;;;;;;+1

> <OPENEYE_INCHIKEY>
ZZXANUDJVNRRAL-UHFFFAOYSA-N

> <FORMULA>
Fe4O2S2+

$$$$