data_[Pm4Fe2Ge12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Fe  1.8300  1.4000  0.8525
  Ge  2.0100  1.2500  0.7700
]
_symmetry_space_group_name_H-M [Amm2]
_cell_length_a [4.1760]
_cell_length_b [4.0574]
_cell_length_c [21.8228]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [38]
_chemical_formula_structural [Pm2FeGe6]
_chemical_formula_sum '[Pm4 Fe2 Ge12]'
_cell_volume [369.7550]
_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  2  0.0000  0.0000  0.0037  1
  Pm  Pm1  2  0.0000  0.0000  0.6682  1
  Fe  Fe2  2  0.5000  0.0000  0.2286  1
  Ge  Ge3  2  0.0000  0.0000  0.2821  1
  Ge  Ge4  2  0.0000  0.0000  0.3972  1
  Ge  Ge5  2  0.5000  0.0000  0.1204  1
  Ge  Ge6  2  0.5000  0.0000  0.5468  1
  Ge  Ge7  2  0.5000  0.0000  0.7842  1
  Ge  Ge8  2  0.5000  0.0000  0.8997  1
]