data_[Rb4Tl4Sn4O12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Tl  1.6200  1.9000  1.3325
  Sn  1.9600  1.4500  0.8300
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [6.8657]
_cell_length_b [13.2544]
_cell_length_c [5.7134]
_cell_angle_alpha [90.0000]
_cell_angle_beta [100.9142]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [RbTlSnO3]
_chemical_formula_sum '[Rb4 Tl4 Sn4 O12]'
_cell_volume [510.5213]
_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  4  0.0000  0.4074  0.2500  1.0
  Tl  Tl1  4  0.0000  0.2205  0.7500  1.0
  Sn  Sn2  4  0.0000  0.0531  0.2500  1.0
  O  O3  8  0.1815  0.0397  0.9831  1.0
  O  O4  4  0.0000  0.2017  0.2500  1.0
]