data_[Pm6Pu8Ge8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Pu  1.2800  1.7500  0.9675
  Ge  2.0100  1.2500  0.7700
]
_symmetry_space_group_name_H-M [I-43m]
_cell_length_a [8.6368]
_cell_length_b [8.6368]
_cell_length_c [8.6368]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [217]
_chemical_formula_structural [Pm3(PuGe)4]
_chemical_formula_sum '[Pm6 Pu8 Ge8]'
_cell_volume [644.2565]
_cell_formula_units_Z [2]
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  6  0.0000  0.0000  0.5000  1
  Pu  Pu1  8  0.1273  0.1273  0.1273  1
  Ge  Ge2  8  0.1931  0.8069  0.1931  1
]