data_[Pm3Mg1Ru2]
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
  Ru  2.2000  1.3000  0.6610
]
_symmetry_space_group_name_H-M [P4/mmm]
_cell_length_a [3.4968]
_cell_length_b [3.4968]
_cell_length_c [11.8664]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [123]
_chemical_formula_structural [Pm3MgRu2]
_chemical_formula_sum '[Pm3 Mg1 Ru2]'
_cell_volume [145.0972]
_cell_formula_units_Z [1]
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  2  0.0000  0.0000  0.2926  1
  Pm  Pm1  1  0.0000  0.0000  0.0000  1
  Mg  Mg2  1  0.5000  0.5000  0.5000  1
  Ru  Ru3  2  0.5000  0.5000  0.1545  1
]