data_[K8U4Cu12S20]
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 [Cmcm]
_cell_length_a [3.9266]
_cell_length_b [13.9299]
_cell_length_c [17.5739]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [K2UCu3S5]
_chemical_formula_sum '[K8 U4 Cu12 S20]'
_cell_volume [961.2466]
_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  8  0.0000  0.2360  0.1335  1
  U  U1  4  0.0000  0.5000  0.0000  1
  Cu  Cu2  8  0.0000  0.0434  0.6438  1
  Cu  Cu3  4  0.0000  0.4467  0.2500  1
  S  S4  8  0.0000  0.1257  0.5298  1
  S  S5  8  0.0000  0.4469  0.6422  1
  S  S6  4  0.0000  0.1473  0.7500  1
]