data_[Pm8Ga8Ru8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Ga  1.8100  1.3000  0.7600
  Ru  2.2000  1.3000  0.6610
]
_symmetry_space_group_name_H-M [Fdd2]
_cell_length_a [5.6143]
_cell_length_b [10.0508]
_cell_length_c [8.6243]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [43]
_chemical_formula_structural [PmGaRu]
_chemical_formula_sum '[Pm8 Ga8 Ru8]'
_cell_volume [486.6556]
_cell_formula_units_Z [8]
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  8  0.0000  0.0000  0.6277  1
  Ga  Ga1  8  0.0000  0.0000  0.9924  1
  Ru  Ru2  8  0.0000  0.0000  0.2864  1
]