data_[Cs3U2Cu1Se9]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Cs  0.7900  2.6000  1.8100
  U  1.3800  1.7500  0.9913
  Cu  1.9000  1.3500  0.8200
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [P-3m1]
_cell_length_a [7.6008]
_cell_length_b [7.6008]
_cell_length_c [9.2613]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [164]
_chemical_formula_structural [Cs3U2CuSe9]
_chemical_formula_sum '[Cs3 U2 Cu1 Se9]'
_cell_volume [463.3642]
_cell_formula_units_Z [1]
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
[
  Cs  Cs0  2  0.3333  0.6667  0.6633  1
  Cs  Cs1  1  0.0000  0.0000  0.0000  1
  U  U2  2  0.3333  0.6667  0.1821  1
  Cu  Cu3  1  0.0000  0.0000  0.5000  1
  Se  Se4  6  0.1639  0.3278  0.3334  1
  Se  Se5  3  0.0000  0.5000  0.0000  1
]