data_[Pm4Mg2U4Ru10]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Mg  1.3100  1.5000  0.8600
  U  1.3800  1.7500  0.9913
  Ru  2.2000  1.3000  0.6610
]
_symmetry_space_group_name_H-M [P4/mbm]
_cell_length_a [10.9792]
_cell_length_b [10.9792]
_cell_length_c [3.2876]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [127]
_chemical_formula_structural [Pm2MgU2Ru5]
_chemical_formula_sum '[Pm4 Mg2 U4 Ru10]'
_cell_volume [396.2930]
_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  0.1602  0.3398  0.0000  1
  Mg  Mg1  2  0.0000  0.0000  0.0000  1
  U  U2  4  0.1540  0.6540  0.0000  1
  Ru  Ru3  8  0.0579  0.7963  0.5000  1
  Ru  Ru4  2  0.0000  0.5000  0.5000  1
]