data_[Pm4Al4B2Ru4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Al  1.6100  1.2500  0.6750
  B  2.0400  0.8500  0.4100
  Ru  2.2000  1.3000  0.6610
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [10.6872]
_cell_length_b [4.4329]
_cell_length_c [7.3748]
_cell_angle_alpha [90.0000]
_cell_angle_beta [128.7144]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Pm2Al2BRu2]
_chemical_formula_sum '[Pm4 Al4 B2 Ru4]'
_cell_volume [272.6151]
_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  0.0596  0.5000  0.8232  1
  Al  Al1  4  0.1641  0.0000  0.6061  1
  B  B2  2  0.0000  0.0000  0.0000  1
  Ru  Ru3  4  0.2083  0.0000  0.3110  1
]