data_[Cs4Rb4Si4Se12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Cs  0.7900  2.6000  1.8100
  Rb  0.8200  2.3500  1.6600
  Si  1.9000  1.1000  0.5400
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [9.6622]
_cell_length_b [10.6755]
_cell_length_c [10.2462]
_cell_angle_alpha [90.0000]
_cell_angle_beta [91.5465]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [CsRbSiSe3]
_chemical_formula_sum '[Cs4 Rb4 Si4 Se12]'
_cell_volume [1056.4997]
_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
[
  Cs  Cs0  4  0.1936  0.0000  0.8807  1.0
  Rb  Rb1  4  0.0000  0.2607  0.5000  1.0
  Si  Si2  4  0.1852  0.0000  0.2976  1.0
  Se  Se3  8  0.1461  0.1767  0.1939  1.0
  Se  Se4  4  0.2452  0.0000  0.5067  1.0
]