data_[Rb4La2Se2I12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  La  1.1000  1.9500  1.1720
  Se  2.5500  1.1500  1.0133
  I  2.6600  1.4000  1.2733
]
_symmetry_space_group_name_H-M [I4/mmm]
_cell_length_a [9.4829]
_cell_length_b [9.4829]
_cell_length_c [11.7807]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [139]
_chemical_formula_structural [Rb2LaSeI6]
_chemical_formula_sum '[Rb4 La2 Se2 I12]'
_cell_volume [1059.3811]
_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  0.0000  0.5000  0.2500  1
  La  La1  2  0.0000  0.0000  0.0000  1
  Se  Se2  2  0.0000  0.0000  0.5000  1
  I  I3  8  0.2333  0.2333  0.0000  1
  I  I4  4  0.0000  0.0000  0.2692  1
]