data_[K8U4Cu4S20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  U  1.3800  1.7500  0.9913
  Cu  1.9000  1.3500  0.8200
  S  2.5800  1.0000  0.8800
]
_symmetry_space_group_name_H-M [Cmc2_1]
_cell_length_a [3.9738]
_cell_length_b [18.9398]
_cell_length_c [13.2057]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [36]
_chemical_formula_structural [K2UCuS5]
_chemical_formula_sum '[K8 U4 Cu4 S20]'
_cell_volume [993.9050]
_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  0.1121  0.6840  1
  K  K1  4  0.0000  0.1189  0.3255  1
  U  U2  4  0.0000  0.2052  0.0177  1
  Cu  Cu3  4  0.0000  0.4202  0.4311  1
  S  S4  4  0.0000  0.0719  0.0227  1
  S  S5  4  0.0000  0.2950  0.6460  1
  S  S6  4  0.0000  0.2985  0.3878  1
  S  S7  4  0.0000  0.3337  0.0092  1
  S  S8  4  0.0000  0.4902  0.3000  1
]