S5Q
  -OEChem-05242417453D

 18 30  0     0  0  0  0  0  0999 V2000
   -2.7130    1.1380    1.2300 S   0  5  0  0  0  0  0  0  0  0  0  0
   -3.9690    0.0500   -0.2180 Fe  0  0  0  0  0  0  0  0  0  0  0  0
   -1.1780   -0.3220    1.5190 Fe  0  0  0  0  0  0  0  0  0  0  0  0
    0.1870   -1.0680    3.0640 S   0  0  0  0  0  0  0  0  0  0  0  0
   -1.1860    1.3910   -0.3430 Fe  0  0  0  0  0  0  0  0  0  0  0  0
    0.0360    3.2290   -0.4030 S   0  0  0  0  0  0  0  0  0  0  0  0
   -2.4750    0.4510   -1.7630 S   0  5  0  0  0  0  0  0  0  0  0  0
   -1.2030   -1.0950   -0.9620 Fe  0  0  0  0  0  0  0  0  0  0  0  0
    0.0900   -2.5990   -1.9150 S   0  0  0  0  0  0  0  0  0  0  0  0
   -2.7110   -1.5660    0.5480 S   0  5  0  0  0  0  0  0  0  0  0  0
    0.1540   -0.0340    0.0960 C   0  2  0  0  0  0  0  0  0  0  0  0
    1.5400   -0.5420    1.4070 Fe  0  0  0  0  0  0  0  0  0  0  0  0
    3.0210   -1.6990    0.2980 S   0  5  0  0  0  0  0  0  0  0  0  0
    2.8090    1.3010    1.3830 S   0  5  0  0  0  0  0  0  0  0  0  0
    2.7460    0.1640   -0.2130 Fe  0  0  0  0  0  0  0  0  0  0  0  0
    1.3980    1.4660   -0.3160 Fe  0  0  0  0  0  0  0  0  0  0  0  0
    2.4650    0.6510   -2.0630 S   0  5  0  0  0  0  0  0  0  0  0  0
    1.4120   -1.0130   -1.1130 Fe  0  0  0  0  0  0  0  0  0  0  0  0
  1  2  1  0  0  0  0
  1  3  1  0  0  0  0
  1  5  1  0  0  0  0
  2  7  1  0  0  0  0
  2 10  1  0  0  0  0
  3  4  1  0  0  0  0
  3 10  1  0  0  0  0
  3 11  1  0  0  0  0
  4 12  1  0  0  0  0
  5  6  1  0  0  0  0
  5  7  1  0  0  0  0
  5 11  1  0  0  0  0
  6 16  1  0  0  0  0
  7  8  1  0  0  0  0
  8  9  1  0  0  0  0
  8 10  1  0  0  0  0
  8 11  1  0  0  0  0
  9 18  1  0  0  0  0
 11 12  1  0  0  0  0
 11 16  1  0  0  0  0
 11 18  1  0  0  0  0
 12 13  1  0  0  0  0
 12 14  1  0  0  0  0
 13 15  1  0  0  0  0
 13 18  1  0  0  0  0
 14 15  1  0  0  0  0
 14 16  1  0  0  0  0
 15 17  1  0  0  0  0
 16 17  1  0  0  0  0
 17 18  1  0  0  0  0
M  CHG  7   1  -1   7  -1  10  -1  11   2  13  -1  14  -1  17  -1
M  END
> <OPENEYE_ISO_SMILES>
[C+2]12345[Fe]67S[Fe]18[S-]9[Fe]21S[Fe]32[S-]6[Fe]3[S-]7[Fe]4([S-]23)S[Fe]52[S-]8[Fe]9[S-]12

> <OPENEYE_INCHI>
InChI=1S/C.8Fe.9S/q+2;;;;;;;;;;;;6*-1

> <OPENEYE_INCHIKEY>
ARHQIUGQOSHZFD-UHFFFAOYSA-N

> <FORMULA>
CFe8S9-4

$$$$
