NFS
  -OEChem-05172421173D

 10 14  0     1  0  0  0  0  0999 V2000
   55.0270   12.4830   47.3570 Ni  0  0  0  0  0  0  0  0  0  0  0  0
   53.5260   13.8320   49.3270 Fe  0  0  0  0  0  0  0  0  0  0  0  0
   54.6830   10.3030   50.2810 Fe  0  0  0  0  0  0  0  0  0  0  0  0
   54.6260    9.6100   47.6220 Fe  0  0  0  0  0  0  0  0  0  0  0  0
   52.5110   10.7340   48.6950 Fe  0  0  0  0  0  0  0  0  0  0  0  0
   53.0120   11.9550   50.5110 S   0  4  0  0  0  0  0  0  0  0  0  0
   53.6190   14.3180   47.0070 S   0  0  0  0  0  0  0  0  0  0  0  0
   53.4040   11.0870   46.5280 S   0  4  1  0  0  0  0  0  0  0  0  0
   53.3700    8.5810   49.3410 S   0  4  0  0  0  0  0  0  0  0  0  0
   56.1610   10.8210   48.5800 S   0  4  1  0  0  0  0  0  0  0  0  0
  1  7  1  0  0  0  0
  1  8  1  0  0  0  0
  1 10  1  0  0  0  0
  2  6  1  0  0  0  0
  2  7  1  0  0  0  0
  3  6  1  0  0  0  0
  3  9  1  0  0  0  0
  3 10  1  0  0  0  0
  4  8  1  0  0  0  0
  4  9  1  0  0  0  0
  4 10  1  0  0  0  0
  5  6  1  0  0  0  0
  5  8  1  0  0  0  0
  5  9  1  0  0  0  0
M  RAD  4   6   2   8   2   9   2  10   2
M  END
> <OPENEYE_ISO_SMILES>
S1[Fe][S]2[Fe]3[S@@]4[Ni]1[S@]5[Fe]4[S]3[Fe]52

> <OPENEYE_INCHI>
InChI=1S/4Fe.Ni.5S

> <OPENEYE_INCHIKEY>
DHBVHUGSWMHFLY-UHFFFAOYSA-N

> <FORMULA>
Fe4NiS5

$$$$
