rank_nucleus_charge 1
dims_nucleus_charge 0 2
rank_nucleus_coord 2
dims_nucleus_coord 0 2
dims_nucleus_coord 1 3
rank_nucleus_label 1
dims_nucleus_label 0 2
nucleus_num_isSet 1 
nucleus_num 2 
len_nucleus_point_group 0
nucleus_point_group
nucleus_charge
  4.0000000000000000e+00
  4.0000000000000000e+00
nucleus_coord
  0.0000000000000000e+00
  0.0000000000000000e+00
  2.3183160107063618e+00
  0.0000000000000000e+00
  0.0000000000000000e+00
 -2.3183160107063618e+00
nucleus_label
Be
Be