data_[Pm6Ge4Au18]
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
  Au  2.5400  1.3500  1.0700
]
_symmetry_space_group_name_H-M [Immm]
_cell_length_a [4.5924]
_cell_length_b [10.3173]
_cell_length_c [12.6510]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [71]
_chemical_formula_structural [Pm3Ge2Au9]
_chemical_formula_sum '[Pm6 Ge4 Au18]'
_cell_volume [599.4170]
_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  4  0.0000  0.0000  0.3048  1
  Pm  Pm1  2  0.0000  0.0000  0.0000  1
  Ge  Ge2  4  0.0000  0.1978  0.5000  1
  Au  Au3  8  0.0000  0.2821  0.1320  1
  Au  Au4  8  0.0000  0.3698  0.3454  1
  Au  Au5  2  0.0000  0.5000  0.0000  1
]