4

Ni     -0.170823765586562     -0.074657590475233     -0.014337243893452
Ni      1.314431065450862      1.543761705930754     -0.279484706452785
H       1.521320267943407     -0.045562603906980      1.351150111988834
H       0.053322038648681      1.341428979222553      1.444324013652716