FEO
  -OEChem-05172421163D

  3  2  0     0  0  0  0  0  0999 V2000
   30.4500   26.8730   31.2230 Fe  0  0  0  0  0  0  0  0  0  0  0  0
   29.3150   27.0220   34.2750 Fe  0  0  0  0  0  0  0  0  0  0  0  0
   29.2730   27.3900   32.5480 O   0  0  0  0  0  0  0  0  0  0  0  0
  1  3  1  0  0  0  0
  2  3  1  0  0  0  0
M  END
> <OPENEYE_ISO_SMILES>
O([Fe])[Fe]

> <OPENEYE_INCHI>
InChI=1S/2Fe.O

> <OPENEYE_INCHIKEY>
NPMYUMBHPJGBFA-UHFFFAOYSA-N

> <FORMULA>
Fe2O

$$$$
