data_[Rb8U4Ni4Se24]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  U  1.3800  1.7500  0.9913
  Ni  1.9100  1.3500  0.7400
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [Fm-3m]
_cell_length_a [10.3360]
_cell_length_b [10.3360]
_cell_length_c [10.3360]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [225]
_chemical_formula_structural [Rb2UNiSe6]
_chemical_formula_sum '[Rb8 U4 Ni4 Se24]'
_cell_volume [1104.2275]
_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
[
  Rb  Rb0  8  0.2500  0.2500  0.2500  1
  U  U1  4  0.0000  0.0000  0.5000  1
  Ni  Ni2  4  0.0000  0.0000  0.0000  1
  Se  Se3  24  0.0000  0.0000  0.2410  1
]