F4S
  -OEChem-04192423333D

  7  9  0     0  0  0  0  0  0999 V2000
   11.4710   -0.5570   19.0330 S   0  4  0  0  0  0  0  0  0  0  0  0
   11.6190   -1.8570   17.1560 Fe  0  0  0  0  0  0  0  0  0  0  0  0
   13.7520   -1.6500   16.4200 S   0  4  0  0  0  0  0  0  0  0  0  0
   13.6300   -1.1760   18.6470 Fe  0  0  0  0  0  0  0  0  0  0  0  0
   13.7490   -3.2400   19.5810 S   0  4  0  0  0  0  0  0  0  0  0  0
   14.7680   -3.3750   17.5360 Fe  0  0  0  0  0  0  0  0  0  0  0  0
   11.4890   -2.7460   19.6680 Fe  0  0  0  0  0  0  0  0  0  0  0  0
  1  2  1  0  0  0  0
  1  4  1  0  0  0  0
  1  7  1  0  0  0  0
  2  3  1  0  0  0  0
  3  4  1  0  0  0  0
  3  6  1  0  0  0  0
  4  5  1  0  0  0  0
  5  6  1  0  0  0  0
  5  7  1  0  0  0  0
M  RAD  3   1   2   3   2   5   2
M  END
> <OPENEYE_ISO_SMILES>
[S]12[Fe][S]3[Fe]1[S]([Fe]2)[Fe]3

> <OPENEYE_INCHI>
InChI=1S/4Fe.3S

> <OPENEYE_INCHIKEY>
QQACTBFBZNWJMV-UHFFFAOYSA-N

> <FORMULA>
Fe4S3

$$$$