data_[Sm8Tl4O2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sm  1.1700  1.8500  1.2290
  Tl  1.6200  1.9000  1.3325
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [6.5980]
_cell_length_b [7.0381]
_cell_length_c [9.2141]
_cell_angle_alpha [90.0000]
_cell_angle_beta [110.3280]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [Sm4Tl2O]
_chemical_formula_sum '[Sm8 Tl4 O2]'
_cell_volume [401.2263]
_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
[
  Sm  Sm0  4  0.4696  0.0006  0.7242  1.0
  Sm  Sm1  2  0.0751  0.7500  0.3515  1.0
  Sm  Sm2  2  0.1250  0.7500  0.9452  1.0
  Tl  Tl3  2  0.1937  0.2500  0.4137  1.0
  Tl  Tl4  2  0.3073  0.2500  0.9701  1.0
  O  O5  2  0.2945  0.7500  0.2056  1.0
]