data_[K8Pu4Cu4S16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Pu  1.2800  1.7500  0.9675
  Cu  1.9000  1.3500  0.8200
  S  2.5800  1.0000  0.8800
]
_symmetry_space_group_name_H-M [Imma]
_cell_length_a [7.8548]
_cell_length_b [8.1617]
_cell_length_c [12.2514]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [74]
_chemical_formula_structural [K2PuCuS4]
_chemical_formula_sum '[K8 Pu4 Cu4 S16]'
_cell_volume [785.4127]
_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
[
  K  K0  4  0.0000  0.0000  0.5000  1
  K  K1  4  0.2500  0.2500  0.7500  1
  Pu  Pu2  4  0.0000  0.0000  0.0000  1
  Cu  Cu3  4  0.2500  0.2500  0.2500  1
  S  S4  8  0.0000  0.0644  0.2249  1
  S  S5  8  0.2154  0.2500  0.9935  1
]