data_[Pm24Zn8Ru8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Zn  1.6500  1.3500  0.8800
  Ru  2.2000  1.3000  0.6610
]
_symmetry_space_group_name_H-M [Fmmm]
_cell_length_a [6.5415]
_cell_length_b [9.8526]
_cell_length_c [15.8791]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [69]
_chemical_formula_structural [Pm3ZnRu]
_chemical_formula_sum '[Pm24 Zn8 Ru8]'
_cell_volume [1023.4201]
_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  16  0.0000  0.1872  0.1050  1
  Pm  Pm1  8  0.0000  0.0000  0.3039  1
  Zn  Zn2  8  0.1917  0.0000  0.5000  1
  Ru  Ru3  8  0.2500  0.2500  0.2500  1
]