data_[Pm16Ga24Cu8]
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 [Fmmm]
_cell_length_a [7.6319]
_cell_length_b [8.8224]
_cell_length_c [15.2825]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [69]
_chemical_formula_structural [Pm2Ga3Cu]
_chemical_formula_sum '[Pm16 Ga24 Cu8]'
_cell_volume [1029.0057]
_cell_formula_units_Z [8]
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  8  0.2428  0.0000  0.5000  1
  Pm  Pm1  8  0.2500  0.2500  0.2500  1
  Ga  Ga2  16  0.0000  0.2483  0.4151  1
  Ga  Ga3  8  0.0000  0.0000  0.1683  1
  Cu  Cu4  8  0.0000  0.0000  0.3323  1
]