6
 
N     0.0507550    0.7066917   -0.2218809 
N    -0.0507550   -0.7066917   -0.2218809 
H     0.8523830   -1.0838766   -0.4577758 
H    -0.3235893   -1.0740537    0.6796527 
H    -0.8523830    1.0838766   -0.4577758 
H     0.3235893    1.0740537    0.6796527 
