data_[Rb4U2Ge4Se12]
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
  Ge  2.0100  1.2500  0.7700
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [13.0099]
_cell_length_b [7.6508]
_cell_length_c [8.4840]
_cell_angle_alpha [90.0000]
_cell_angle_beta [121.9825]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Rb2U(GeSe3)2]
_chemical_formula_sum '[Rb4 U2 Ge4 Se12]'
_cell_volume [716.2836]
_cell_formula_units_Z [2]
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  4  0.2133  0.5000  0.2048  1
  U  U1  2  0.0000  0.5000  0.5000  1
  Ge  Ge2  4  0.0371  0.0000  0.1737  1
  Se  Se3  8  0.0528  0.2551  0.7825  1
  Se  Se4  4  0.2430  0.5000  0.6352  1
]