data_[Pm12Ga4Cu12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Ga  1.8100  1.3000  0.7600
  Cu  1.9000  1.3500  0.8200
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [10.4197]
_cell_length_b [4.2925]
_cell_length_c [14.7375]
_cell_angle_alpha [90.0000]
_cell_angle_beta [109.8367]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Pm3GaCu3]
_chemical_formula_sum '[Pm12 Ga4 Cu12]'
_cell_volume [620.0484]
_cell_formula_units_Z [4]
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  0.0411  0.5000  0.3892  1
  Pm  Pm1  4  0.1035  0.5000  0.9202  1
  Pm  Pm2  4  0.2435  0.0000  0.7672  1
  Ga  Ga3  4  0.2497  0.0000  0.3959  1
  Cu  Cu4  4  0.0492  0.0000  0.2333  1
  Cu  Cu5  4  0.1024  0.0000  0.0780  1
  Cu  Cu6  4  0.1316  0.0000  0.5417  1
]