data_[Pu6Ag12Se15]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pu  1.2800  1.7500  0.9675
  Ag  1.9300  1.6000  1.0867
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [R-3m]
_cell_length_a [4.2916]
_cell_length_b [4.2916]
_cell_length_c [52.8880]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [166]
_chemical_formula_structural [Pu2Ag4Se5]
_chemical_formula_sum '[Pu6 Ag12 Se15]'
_cell_volume [843.5943]
_cell_formula_units_Z [3]
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
[
  Pu  Pu0  6  0.0000  0.0000  0.1344  1
  Ag  Ag1  6  0.0000  0.0000  0.3116  1
  Ag  Ag2  6  0.0000  0.0000  0.4169  1
  Se  Se3  6  0.0000  0.0000  0.2273  1
  Se  Se4  6  0.0000  0.0000  0.3681  1
  Se  Se5  3  -0.0000  -0.0000  0.5000  1
]