data_[Pm20Ge8H4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Ge  2.0100  1.2500  0.7700
  H  2.2000  0.2500  0.0000
]
_symmetry_space_group_name_H-M [Fmmm]
_cell_length_a [5.4956]
_cell_length_b [9.5578]
_cell_length_c [15.1464]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [69]
_chemical_formula_structural [Pm5Ge2H]
_chemical_formula_sum '[Pm20 Ge8 H4]'
_cell_volume [795.5852]
_cell_formula_units_Z [4]
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
[
  Pm  Pm0  16  0.0000  0.1643  0.3626  1
  Pm  Pm1  4  0.0000  0.0000  0.0000  1
  Ge  Ge2  8  0.0000  0.0000  0.1898  1
  H  H3  4  0.0000  0.0000  0.5000  1
]