data_[Rb2Tb2Sn2O6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Tb  1.1000  1.7500  0.9815
  Sn  1.9600  1.4500  0.8300
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [7.4848]
_cell_length_b [3.5146]
_cell_length_c [9.4543]
_cell_angle_alpha [90.0000]
_cell_angle_beta [96.5982]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [RbTbSnO3]
_chemical_formula_sum '[Rb2 Tb2 Sn2 O6]'
_cell_volume [247.0545]
_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  2  0.0874  0.7500  0.7927  1.0
  Tb  Tb1  2  0.4188  0.2500  0.1357  1.0
  Sn  Sn2  2  0.2988  0.7500  0.4292  1.0
  O  O3  2  0.2353  0.7500  0.1921  1.0
  O  O4  2  0.3863  0.2500  0.8960  1.0
  O  O5  2  0.4589  0.2500  0.3889  1.0
]