data_[Pm12Si2Ru4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Si  1.9000  1.1000  0.5400
  Ru  2.2000  1.3000  0.6610
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [14.2645]
_cell_length_b [4.3890]
_cell_length_c [10.1094]
_cell_angle_alpha [90.0000]
_cell_angle_beta [126.2654]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Pm6SiRu2]
_chemical_formula_sum '[Pm12 Si2 Ru4]'
_cell_volume [510.3092]
_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  0.0073  0.0000  0.1972  1
  Pm  Pm1  4  0.1512  0.5000  0.5287  1
  Pm  Pm2  4  0.2326  0.5000  0.1298  1
  Si  Si3  2  0.0000  0.0000  0.5000  1
  Ru  Ru4  4  0.1007  0.5000  0.7637  1
]