data_[Gd4Ho4Pu4Mg4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Gd  1.2000  1.8000  1.0750
  Ho  1.2300  1.7500  1.0410
  Pu  1.2800  1.7500  0.9675
  Mg  1.3100  1.5000  0.8600
]
_symmetry_space_group_name_H-M [F-43m]
_cell_length_a [7.7230]
_cell_length_b [7.7230]
_cell_length_c [7.7230]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [216]
_chemical_formula_structural [GdHoPuMg]
_chemical_formula_sum '[Gd4 Ho4 Pu4 Mg4]'
_cell_volume [460.6274]
_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
[
  Gd  Gd0  4  0.0000  0.0000  0.0000  1
  Ho  Ho1  4  0.0000  0.0000  0.5000  1
  Pu  Pu2  4  0.2500  0.2500  0.2500  1
  Mg  Mg3  4  0.2500  0.2500  0.7500  1
]