[CIF]
data_He
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   2.36877244
_cell_length_b   2.36877244
_cell_length_c   2.36877244
_cell_angle_alpha   69.67890769
_cell_angle_beta   69.67890769
_cell_angle_gamma   69.67890769
_symmetry_Int_Tables_number   1
_chemical_formula_structural   He
_chemical_formula_sum   He1
_cell_volume   11.29340900
_cell_formula_units_Z   1
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
loop_
 _atom_site_type_symbol
 _atom_site_label
 _atom_site_symmetry_multiplicity
 _atom_site_fract_x
 _atom_site_fract_y
 _atom_site_fract_z
 _atom_site_occupancy
  He  He0  1  0.00000000  0.00000000  0.00000000  1
[/CIF]
