DAZ
  -OEChem-06212418173D

  7  6  0     0  0  0  0  0  0999 V2000
   33.4730  -26.5870   -7.9680 Zn  0  0  0  0  0  0  0  0  0  0  0  0
   34.7100  -25.1060   -8.2010 N   0  0  0  0  0  0  0  0  0  0  0  0
   33.9630  -27.5020   -6.2970 N   0  0  0  0  0  0  0  0  0  0  0  0
   34.9220  -24.7050   -7.3100 H   0  0  0  0  0  0  0  0  0  0  0  0
   35.5520  -25.4390   -8.6260 H   0  0  0  0  0  0  0  0  0  0  0  0
   34.0460  -28.4840   -6.4660 H   0  0  0  0  0  0  0  0  0  0  0  0
   34.8370  -27.1460   -5.9660 H   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
  2  4  1  0  0  0  0
  2  5  1  0  0  0  0
  3  6  1  0  0  0  0
  3  7  1  0  0  0  0
M  END
> <OPENEYE_ISO_SMILES>
N[Zn]N

> <OPENEYE_INCHI>
InChI=1S/2H2N.Zn/h2*1H2;/q2*-1;+2

> <OPENEYE_INCHIKEY>
PQJFBJISJZGASZ-UHFFFAOYSA-N

> <FORMULA>
H4N2Zn

$$$$