data_[Sm3Tl3Bi6O18]
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
  Bi  2.0200  1.6000  1.0350
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [R3]
_cell_length_a [6.0934]
_cell_length_b [6.0934]
_cell_length_c [15.3969]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [146]
_chemical_formula_structural [SmTl(BiO3)2]
_chemical_formula_sum '[Sm3 Tl3 Bi6 O18]'
_cell_volume [495.0927]
_cell_formula_units_Z [3]
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  3  0.0000  0.0000  0.1953  1.0
  Tl  Tl1  3  0.0000  0.0000  0.6956  1.0
  Bi  Bi2  3  0.0000  0.0000  0.4809  1.0
  Bi  Bi3  3  0.0000  0.0000  0.9776  1.0
  O  O4  9  0.0655  0.6856  0.2479  1.0
  O  O5  9  0.0710  0.3758  0.7483  1.0
]