data_[Pr6Mg8Ge8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pr  1.1300  1.8500  1.0600
  Mg  1.3100  1.5000  0.8600
  Ge  2.0100  1.2500  0.7700
]
_symmetry_space_group_name_H-M [Immm]
_cell_length_a [4.3060]
_cell_length_b [4.4669]
_cell_length_c [26.9744]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [71]
_chemical_formula_structural [Pr3(MgGe)4]
_chemical_formula_sum '[Pr6 Mg8 Ge8]'
_cell_volume [518.8421]
_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
[
  Pr  Pr0  4  0.0000  0.5000  0.1420  1
  Pr  Pr1  2  0.0000  0.0000  0.0000  1
  Mg  Mg2  4  0.0000  0.0000  0.2506  1
  Mg  Mg3  4  0.0000  0.5000  0.4064  1
  Ge  Ge4  4  0.0000  0.0000  0.4537  1
  Ge  Ge5  4  0.0000  0.5000  0.3111  1
]