data_[Y8Er10Pu2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Y  1.2200  1.8000  1.0400
  Er  1.2400  1.7500  1.0300
  Pu  1.2800  1.7500  0.9675
]
_symmetry_space_group_name_H-M [I4/mmm]
_cell_length_a [10.8143]
_cell_length_b [10.8143]
_cell_length_c [5.3974]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [139]
_chemical_formula_structural [Y4Er5Pu]
_chemical_formula_sum '[Y8 Er10 Pu2]'
_cell_volume [631.2188]
_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
[
  Y  Y0  8  0.0000  0.3229  0.5000  1
  Er  Er1  8  0.1837  0.1837  0.0000  1
  Er  Er2  2  0.0000  0.0000  0.5000  1
  Pu  Pu3  2  0.0000  0.0000  0.0000  1
]